Quentin

This page lists questions and answers that were posted by visitors named Quentin.

Questions

The following questions were asked by visitors named Quentin.

does CrCl3 form an acidic solution in water?
17 years ago
the specific heat of aluminum is 0.214 cal/g degrees C. calculate the heat necessary to raise the temperature of 55.5g of aluminum from 23 to 48.6 degrees C
15 years ago
calculate the amount of heat necessary ti raise the temperature of 8.5kg of water from 12.5 to 84 degrees C
15 years ago
calculate the percent composition or w/v% of 3x10 to the 2nd power mL solution containing 15g of glucose
15 years ago
convert 353 torr to atm
15 years ago
calculate the pressure in atm of a balloon filled with 7.5g of helium gas if the baloons volume decreases to 7.5L suppose the balloons pressure and volume are originally 799 mmHg and 15L
15 years ago
if 429 grams of gas occupies 25.6L at 49 degrees C at a pressure of 759 mmHg what volume will 4.29g of gas will occupy at 53 degrees C (assume pressure is unchanged)
15 years ago
calculate the number of moles there are when a gas occupies a volume of 3.95L at 37 degrees C and .985 atm
15 years ago
what is the density of O2 gas at STP
15 years ago
In what situations would sampling work best for estimating population size, in what situations would mark and recapture work best and why?
15 years ago
What is the value of y. Y-4/5=11/20
13 years ago
4 3/4 + v = 17 1/8 What is v
13 years ago
What mass of KOH is required to neutralize 200mL of 3.16 M HNO3?
12 years ago
A cylindrical water tank has radius r=1 meter and height 10 meters. Suppose the tank is lying on its side and is filled halfway with water. How much work does it take to pump all the water out the top of the tank? The height is now 2 meters. Thanks, I'm n...
9 years ago
The empire state building is near broadway, which is known as the home to many. A) art galleries B) theaters C) banks D) museums
4 years ago
When you are determining the probability of an event, why must the probability be between 0 and 1? Explain your answer.
4 years ago
Which limit of government is being described by the following statement? “Makes sure no one part of government gets too much control.” A. Constitution B. Separation of Powers C. Rule of Law D. Consent of the Governed E. Rights of the Minority
2 years ago
Think about your previous math courses. Identify a math concept with which you excelled.
2 years ago
Which of the following best explains how governmental authority is limited by popular sovereignty?(1 point) Responses Governmental authority is limited by congressional decree. Governmental authority is limited by congressional decree. Governmental author...
2 years ago
Solve the equation. Check for extraneous solutions. 6|6 – 4x| = 8x + 4 (1 point) Responses x = 1 x = 1 x = five over two or x = 2 x = Image with alt text: five over two or x = 2 x = five over two x = Image with alt text: five over two x = five over twoor...
2 years ago
If the hypothesis is accurate, the scientist should be able to use it to estimate what will happen in a given situation. This is called a prediction. If the hypothesis listed above is accurate, then you would predict that areas where the wasps are introdu...
2 years ago
With the results of our experiments (whether natural or laboratory-based) in hand, the scientists can explicitly test their hypothesis, and either reject and revise it, or tentatively accept it. A common way to conduct this test is by examining graphs rel...
2 years ago
Advocates for organic farming claim that their methods result in a number of benefits to farmers, consumers, and the environment. A group of scientists is conducting a study on the benefits to farmers, consumers, and the environment. A group of scientists...
2 years ago
Which observation should the scientists see is most promising for developing a testable hypothesis that helps determine the connection between organisms farming and biodiversity A. 12 different fish species were observed in a small pond on land located wi...
2 years ago
Hypothesis 1 Organic products claims that they have more nutrients than conventional products Testable hypothesis requires no social equipment and expertise Testable hypothesis requires special equipment and expertise Untestable hypothesis
2 years ago
Summarize the rights contained in the Sixth Amendment.(1 point) the part of the Bill of Rights that protects people accused of a crime by requiring a grand jury, prohibiting trials for the same crime twice, preventing self-incrimination, and prohibiting t...
2 years ago
In the application of atmospheric (or aerial) perspective, the figures and objects in the distance become less distance become less distinct, or hazy and. In color A. Yellow B. Warmer C. Blue D. Green
2 years ago
What Principle of Design appealed to 20th-century postmodern artists who sought to create art with a sense of disjunction, in which the parts did not equal a whole, as evidenced in Robert Rauschenberg's Monogram? Rhythm Variety Emphasis Balance
2 years ago
The biosphere is a natural Earth system maintained by things like plants and animals. True False
2 years ago
Why did the Hebrew congregation write to George Washington? To congratulate him and thank him for enforcing religious tolerance in this country as president To try to get him to make the Jewish faith the national religion To ask him for assistance in prac...
2 years ago
What was the purpose of the declaration of independence written in 1776 the purpose of the declaration of independence was to outline the first government of United States. The purpose of the declaration of independence was to define natural rights and li...
2 years ago
Which of the following is a concurrent power Establishing foreign policy Creating public schools Creating a military Collecting taxes
2 years ago
Which of the following statements best describes the idea of the social contract A. The social contract is the idea that people enter into unspoken agreement with each other for the protection of their natural rights
2 years ago
Analyze the Federalist Party’s perspective on the economy A. Western region B. Northern region C. Middle region D. Southern region
2 years ago
Which of the following is an example of a public good A. Public safety B. A house C. A act D. A cell phone
2 years ago
what political influences lead to the shift US economy from subsistence farming to a market economy following the revolutionary war Implementing government programs to aid people in economic hardship. Passing laws that limited production in southern state...
2 years ago
The plains of our planet support the greatest gatherings of wildlife on earth A. True B. False
2 years ago
Complete the table opinion reason example A lot of people dress up in costumes Halloween is the most fun day of the year my friend Tesla dress up as a giant bug for Halloween last year
2 years ago
In 2007, the European Union consumed of ____ cubic meters of wood. a. 10 million b. 236 million c. 175 million d. 350 million
2 years ago
Life on Earth depends on the presence of water. a. True b. False
2 years ago
Aerobic decomposition of organic matter (carbon): a. Requires low levels of oxygen in the environment. b. Produces coral reefs. c. Only occurs in terrestrial (on land) environments. d. Releases inorganic carbon (CO2).
2 years ago
Why are frogs important in keeping your local waterways clean? a. Tadpoles feed on algae and in return reduce the demand on water filtration systems. b. Non-native trout and crayfish help to keep the frog population from growing too large and polluting th...
2 years ago
What happened during the rollback of reconstruction? (Check all that apply.) (1 point) Reduced the percentage of black registered voters by 99% in many places. By 1900, had reduced the number of black representatives in congress to one The Supreme Court r...
1 year ago

Answers

The following answers were posted by visitors named Quentin.

Calculate the pressure in atm of a balloon filled with 7.50g of helium gas if the balloon's volume decreases to 7.50L. Suppose the balloon's pressure and volume are originally 799 mmHg and 15.0L.
15 years ago
4 3/4+v=17 1/8 What is v
13 years ago
Whoops, Assume gravity is 9.8, wrong name
9 years ago
Answer
5 years ago
lun is right
5 years ago
it is b
5 years ago
thanks
5 years ago
2 is prime as well
5 years ago
1)b 2)a 3)a 4)b
5 years ago
your all over the place with a and d and i think its chemistry
5 years ago
he is correct I got a 100
4 years ago
just give us a answer
4 years ago
are you sure that is the answer
4 years ago
please help it is due today please help I'm begging you
4 years ago
thanks answer boy
4 years ago
that is gross The coronavirus and do not do that
4 years ago
yabona na others here, they have alostro
3 years ago
Choose one of the limits of government. Explain why a country needs that limit, citing what might happen if that limit is not in place.
2 years ago
Think about your previous math courses. Identify a math concept with which you struggled.
2 years ago
Have you ever struggled with something and attempted to improve your ability? If you succeeded, what steps did you take? If you did not succeed, what obstacles prevented you from achieving your goal? Your example can be related to school, athletics, art,...
2 years ago
Enter your answer and show all the steps that you use to solve this problem in the space provided. Combine like terms. What is a simpler form of the expression? −3(−4y+3)+7y
2 years ago
Solve the formula for the indicated variable. A equals Start Fraction 1 over 2 End Fraction b h, for h
2 years ago
Solve the equation. 5 c minus 9 equals 8 minus 2 c
2 years ago
Solve the equation. 6 left-parenthesis n minus 4 right-parenthesis equals 3 n (1 point) Responses 4 4 2 2 6.5 6.5 8
2 years ago
Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages 45 mi/h. When will they be 400 mi apart? (1 point) Responses 4 hours 8 hours 10.5 hours 12 hours
2 years ago
–5y –9 = –(y – 1) –one-half – Image with alt text: one-half –2 –2 –2 –2 –two-fifths
2 years ago
Which of the following is the best example of a historical precedent for popular sovereignty?(1 point) Responses Thomas Jefferson wrote about the undisputed authority of the king in the preamble. Thomas Jefferson wrote about the undisputed authority of th...
2 years ago
Which of the following concepts, related to social contract theory, best explains the source of government power? popular sovereignty popular sovereignty natural rights natural rights limited government limited government divine right of kings
2 years ago
Which of the following explains how a republic can limit the power of government?(1 point) Responses Republics use elected representatives to make the laws. Republics use elected representatives to make the laws. Republics limit the powers of government b...
2 years ago
Which of the following identifies the process that allows voters to vote proposed legislation into law?(1 point) Responses recall recall representative democracy representative democracy referendum referendum a republic a republic
2 years ago
What was a problem with the articles of confederation’s geographic distribution of power (1 point) A B C D
2 years ago
6|6 – 4x| = 8x + 4 (1 point) Responses x = 1 x = 1 x = five over two or x = 2 x = Image with alt text: five over two or x = 2 x = five over two x = Image with alt text: five over two
2 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the formula for the indicated variable. T=3UE , for U
2 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the equation. 0.25r−0.125+0.5r=0.5+r
2 years ago
Adam is building a rectangular swimming pool. The perimeter of the pool must be no more than 120 feet. If the length of the pool is 22 feet, write and solve an inequality that represents what the width of the pool must be.
2 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Adam is building a rectangular swimming pool. The perimeter of the pool must be no more than 120 feet. If the length of the pool is 22 feet, write and...
2 years ago
Analyze the perspective of Alexander Hamilton and the Federalists. What would be a policy aligned with their perspective?(1 point) Responses a strong national bank a strong national bank a weak national bank a weak national bank an economy based on farmin...
2 years ago
What statement best analyzes the relationship between the people and the government?(1 point) Responses The government exists to rule over the people, which creates a civil society. The government exists to rule over the people, which creates a civil soci...
2 years ago
How does the division of powers in the government help the branches to focus on the best interests of the people?(1 point) Responses The branches are able to focus on specific tasks that are aligned to the rights of the people. The branches are able to fo...
2 years ago
Which of the following hypothetical situations correctly tests the prediction listed above and includes both an experimental group and a control group? A B C
2 years ago
If the data are consistent with their prediction, the scientist accepts the hypothesis, but only provisionally, as they know future experiments may require the hypothesis to be revised or even abandoned. It is also possible the data are inconsistent with...
2 years ago
If the data are consistent with their prediction, the scientist accepts the hypothesis, but only provisionally, as they know future experiments may require the hypothesis to be revised or even abandoned. It is also possible the data are inconsistent with...
2 years ago
In this experiment, In this experiment, presence or absence of wasps in the greenhouse the amount of plants infected is the independent variable and is the dependent variable. presence or absence of wasps in the greenhouse the amount of plants infected
2 years ago
Which of the following hypothetical situations correctly tests the prediction listed above and includes both an experimental group and a control group? In 2 different greenhouses, plant 40 cassava plants, and infect each plant with mealybugs. Introduce wa...
2 years ago
To gauge the possible link between organic farming and biodiversity, scientists should compare the number of plant and animal species that they observe located near organic and conventional farms. In this experimental situation, species observed in conven...
2 years ago
Y= x - 7 X= 4 Y= -3 4 3
2 years ago
X + 5y = 28 2x + 3y = 21 Solve for x and y X=8, y= 4 X=6, y=1 X=3, y=5
2 years ago
Hypothesis 2 Organic products have more nutrients than conventional products A. Testable hypothesis no special equipment and expertise B. Testable hypothesis special equipment and expertise C. Untestable hypothesis
2 years ago
Organic products are generally overpriced A. Testable hypothesis B. Testable hypothesis requires special equipment C. Untestable hypothesis
2 years ago
Explain how the First Amendment limits the power of the government to pass laws.(1 point) Congress can pass no law permitting the taking of private property without compensation. Congress can pass no law respecting or restricting religion, or laws limitin...
2 years ago
Which of the following is an accurate discussion of why a bill of rights for the national government might not be necessary?(1 point) Responses A. The national government has only delegated powers. B. The national government has only reserved powers. C. A...
2 years ago
Explain how the First Amendment limits the power of the government to pass laws.(1 point) A. Congress can pass no law permitting the taking of private property without compensation. B. Congress can pass no law respecting or restricting religion, or laws l...
2 years ago
Locate the vanishing point in this image A. B. C. D.
2 years ago
Select the shape which is a two dimensional object that can be measured by height and width. A. Cube B. Square C. Sphere D. Pyramid
2 years ago
Hatching and cross-hatching are techniques in which an artist can model a figure or shape to create the appearance of a three dimensional object on a two dimensional surface True False
2 years ago
Identify the type of balance utilized in this painting A. Absolute symmetry B. Bilateral symmetry C. Asymmetrical balance D. Radical balance
2 years ago
Identify the type of balance utilized in this painting. Absolute symmetry Bilateral symmetry Asymmetrical balance Radial balance
2 years ago
Locate the vanishing point in this image. A B C D
2 years ago
Which of the following is NOT an accurate statement about the color wheel? Colors opposite each other on the color wheel are known as complementary colors. A secondary color is achieved by mixing two primary colors. Mixing three primary colors will result...
2 years ago
Two ways in which an artist can draw a viewer's eye to the focal point, or emphasis, of an artwork is to use a color scheme or contrast with light and dark. True False
2 years ago
Consider the following scenario: When vegetation is removed from a stream valley, flowing water from precipitation causes soil erosion and loss of nutrients. This causes more vegetation to die. With less vegetation to hold soil in place, flowing water cau...
2 years ago
Which of the following is TRUE about systems? a. Positive feedbacks work to maintain stability in systems. b. A natural system can reach its ecological tipping point if it gets caught in a negative feedback loop. c. Outputs cannot be converted into inputs...
2 years ago
Forests also have an important role in the global nitrogen cycle. According to the results from Templer's research, how might that change in the future? a. Under higher global temperatures, trees will convert nitrogen into nitric acid. b. Under higher glo...
2 years ago
What variable is Templer changing in her experimental forest plots? a. Cooling the plots b. Increasing wind exposure c. Increasing ground water d. Warming the plots
2 years ago
Because scientists cannot actually precisely measure a process like soil erosion over the entire earth, they must ____. a. extrapolate conclusions from the most available sampling b. prove their hypotheses without the use of external measurements c. use s...
2 years ago
How is a royal colony an example of self government Laws were created without the King’s Counsel A lord proprietor appointed their officials Laws were created by lord proprietors A royal colony elected its own legislative body
2 years ago
What is the benefit of a republic Republic allows the voters to elect representatives to act on their behalf A republic has separation of powers Republic has a present as it’s leader A republic divides power between the federal government and the states
2 years ago
The concept of life, liberty and property pursuit of happiness are most closely associated with which of the following concepts A natural rights B. Popular sovereignty C. Divine right of kings D. Limited government
2 years ago
Which state would be hurt the worst in terms of distribution of power of enslaved people were not counted toward population at least 60 percent A. New York B. Rhode Island C. Maryland D. Pennsylvania
2 years ago
What was the number of the amendment that granted women the right to vote A. Fifteenth amendment B. Thirteenth amendment C. Nineteenth amendment D. Fourteenth amendment
2 years ago
Analyze the federalist party’s perspective on the economy. What region of the United States would be most likely A. Western region B. Northern region C. Middle region D. Southern region
2 years ago
Analyze the federalist party’s perspective on the economy. What region of the United States would most likely to support this party A. Western region B. Northern region C. Middle region D. Southern region
2 years ago
How does the legislative branch of government act in the best interests of the people? A. By appointing to positions to help protect people’s rights B. By enforcing laws that do not interfere with the people’s rights C. By ruling on cases fairly so that t...
2 years ago
Which of the following accurately describes how the supremacy clause has made a positive contribution to the concept of federalism? A. The supremacy clause allowed states to ignore national government policies with a conflict with the best interest of sta...
2 years ago
What era is this likely to be associated with A. Progressive era B. Laissez Faire Era C. Post world war 2 era D. New deal era
2 years ago
Identify the amendment violated in the following Supreme Court case a defendant accused of armed robbery is defined a lawyer by the government because armed robbery is not a capital crime A. The sixth amendment B. The fourth amendment C. The first amendme...
2 years ago
What issue arose with the state of Rhode Island outline a problem with the articles of confederation A. The state kerosene experience, extreme devastation B. The state did not have a form of currency to Trade. C. The state did not follow policy on foreign...
2 years ago
what’s the time in statement? Best explains why the addition of a bill of rights was necessary to ensure ratification of the constitution A. The anti-federalist were fearful of a two powerful in National government B. The federalist were fearful of a too...
2 years ago
What type of plain is feature in today’s video? A. Rainforest B. Desert C. Tundra D. Grasslands
2 years ago
What’s grass is destroyed in the grasslands it doesn’t regrow true or false A.True B.False
2 years ago
Which of the following statements about animals living in them Mongolian grasslands is not true A. Red billed Quelea feeds on seeds from the grass B. Antelopes eat the stems of the grass C. Monogolian gazelle can run really fast D. Eagles have to leave th...
2 years ago
Mario open the door. The dog ran out Yesterday tomorrow then
2 years ago
Maria open the door. The dog ran out yesterday tomorrow then
2 years ago
Maria open the door the dog ran out Yesterday Tomorrow Then
2 years ago
Find all of the complete sentences Tess reads fast. A new car. Bees are small
2 years ago
Convert: Milliters=6 liters
2 years ago
One of the benefits of sustainable forestry and logging practices to a rural area can best be described as ____. a. development and management of a long-term sustainable economic plan b. lower costs to the consumer c. increase in tax revenue at the local...
2 years ago
Illegal logging is best defined as a situation where timber is produced in violation of national and international laws designed to ____. a. provide positive economic resources for the logging corporations b. protect the vulnerable habitat and people that...
2 years ago
The hydrologic cycle describes how water moves through various Earth systems, like the atmosphere, biosphere, hydrosphere, lithosphere, and cryosphere. a. True b. False
2 years ago
Humans need to develop sustainable practices for water use so that we: a. can increase the amount of water on our planet. b. can reduce the amount of water used domestically, since it is the largest use of water globally. c. ensure that future generations...
2 years ago
For each of the following processes, determine whether CO2 is being added to or removed from the atmosphere. a. Respiration by grazing animals Select b. Trees burning in a forest fire Select c. Photosynthesis by tree leaves Select d. A house burning home-...
2 years ago
For each of the following processes, determine whether carbon is being added to or removed from the biosphere. a. Respiration by grazing animals Select b. Trees burning in a forest fire Select c. Photosynthesis by tree leaves Select d. Decomposition of or...
2 years ago
As more and more CO2 dissolves in the oceans: a. The ocean's pH will go up. b. The rate at which oceans can take up CO2 will increase. c. Sea level will go down. d. Marine animals that make their shells out of calcium carbonate will suffer.
2 years ago
Decomposition of organic matter Added Removed
2 years ago
Nitrogen-containing ammonia in the atmosphere is in the form of _____. a. N2 b. NH4+ c. NH3 d. NO3− e. NO2
2 years ago
With each transfer of energy from one trophic level to the next, about _____ of the energy is lost. a. 90% b. 60% c. 40% d. 20% e. 10%
2 years ago
Phosphorus is made available to ecosystems by ____. a. plants that produce it during photosynthesis b. bacteria that capture it from the atmosphere c. the erosion of rocks that contain phosphate d. the burning of fossil fuels e. precipitation formed from...
2 years ago
The ________ is the innermost layer of the atmosphere and contains the air we breathe. a. biosphere b. troposphere c. ozone layer d. mantle e. hydrosphere
2 years ago
Over 10% of Nobel Prizes in Physiology and medicine have gone to researchers who included amphibians in their work. Which of the following is not mentioned in the video as a way that researchers have used frog skin improve human health? a. It serves as a...
2 years ago
What did the civil rights of 1964 and voting rights act of 1965 accomplish Legally desegregated businesses and government employment Created new constitutional amendments to uphold civil rights Ended racism in the us Outlined Jim Crow-era suppression of t...
1 year ago