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I know I pored this already, but I for it to mention the assumption. See below.A calorimeter contains 30.0 mL of water at 15.0
1. 1 answer
2. 593 views
Which two cultures use creatures to protect or transport humans after death?America (bald eagle) and Spain (bull) Egypt (the
1. 3 answers
2. 1,358 views
Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew
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2. 654 views
1.How do landscape paintings convey the values and ideas of Chinese culture?A.Landscape paintings show chaotic, unhappy culture.
1. 16 answers
2. 4,827 views
A calorimeter contains 30.0 mL of water at 15.0 C. When 1.50 g of X (a substance with a molar mas of 46.0g/ mol is added, it
1. 2 answers
2. 643 views
Please check.Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs,
1. 1 answer
2. 586 views
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I
1. 0 answers
2. 605 views
If I was designing an experiment where hydrogen gas was collected over a 0.1 M aqueous HCl solution from the reaction with zinc
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2. 534 views
What is the equilibrium constant for a weak acid HA that dissociates 1% at an initial concentration of 0.05 M according to the
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2. 435 views
A 10.00 mL aliquot of 0.100 M NaOH is added to 15.00 mL of 0.100M HCl in a coffee cup calorimeter. The initial temperature of
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2. 518 views
A piece of solid magnesium is reacted with hydrochloric acid to form hydrogen gas:Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g)
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2. 561 views
Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm.A) Calculate the partial
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2. 1,085 views
Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm.A) Calculate the partial
1. 1 answer
2. 1,048 views
A piece of solid magnesium is reacted with hydrochloric acid to form hydrogen gas:Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g)
1. 1 answer
2. 676 views
Write a balanced chemical equation for this:The RXN of hydronium ion with solid calcium carbonate to form calcium and
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2. 637 views
Write a balanced chemical equation for this:The RXN of hydronium ion with solid calcium carbonate to form calcium and
1. 0 answers
2. 570 views
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice
1. 1 answer
2. 746 views
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice
1. 1 answer
2. 626 views
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice
1. 1 answer
2. 612 views
CH4 (g)+ H2O (g) --->/<---- 3H2 + COUse Le Chateliers Principle to explain what will happen to the number of moles of hydrogen
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2. 1,798 views
CH4 (g)+ H2O (g) --->/<---- 3H2 + COUse Le Chateliers Principle to explain what will happen to the number of moles of hydrogen
1. 1 answer
2. 702 views
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice
1. 1 answer
2. 669 views
I got 1.11 x 10^-6 for K.Here is my work: x= 0.004 -2x= -0.008 (change for CH4) Equilibrium for CH4 is 0.087 - 0.008= 0.079
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2. 867 views
The reaction of CH4 in2CH4(g) ---->/<---- C2H2(g) + 3 H2 (g) is carried out at a different temperature with an initial
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2. 2,093 views
how does one go about finding the Tf of this equation100Hf+100cw(Tf-0) + 300w(Tf-25) =0 and can you also explain what cw and Hf
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2. 356 views
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice
1. 1 answer
2. 655 views
A 1.1% (w/w) solution of cocaine hydrochloride (molar mass 339.81 g/mol) in water. Calculate the molal concentration.Is it
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2. 447 views
Please explain and show your work2 3 -+- 3 4
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2. 381 views
1. The rate constant for a second order reaction has units of L mol^-1 s^-1. What are the units of the frequency factor, A, for
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2. 838 views
Calculate the molal concentration.A 1% (w/w) solution of cocaine hydrochloride ( molar mass 339.81 g/mol) in water.
1. 1 answer
2. 441 views
On a clear day at sea level, the partial pressure of N2 in air is 0.78 atm at 25 degres C. Under these conditions, the
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2. 1,372 views
On a clear day at sea level, the partial pressure of N2 in air is 0.78 atm at 25 degres C. Under these conditions, the
1. 2 answers
2. 586 views
Can anyone compare and contrast N. korea and S. Korea economic provisions on private property ? Then compare to the U.S.
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2. 437 views
4. Deregulation and the Cost of Trucking. Suppose the government initially limits the number of trucking firms that can haul
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2. 975 views
A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of
1. 2 answers
2. 5,447 views
A first-order reaction has a half-life of 26.4 seconds. How long does it take for the concentration of the reactant in the
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2. 1,081 views
1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase,
1. 1 answer
2. 1,408 views
A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of
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2. 908 views
1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase,
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2. 691 views
The solubility of CO2 in water at 25 degrees Celsius and P CO2= 1 atm is 0.034 mol/L. What is its water solubility under normal
1. 2 answers
2. 3,017 views
The volume of a rectangular prism is 6x^3 -x^2 -2x. Which model could represent the rectangular prism?A. Height: 3x-2 Length:
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2. 1,287 views
The volume of a rectangular prism is 6x^3 -x^2 -2x. Which model could represent the rectangular prism?A. Height: 3x-2 Length:
1. 1 answer
2. 1,503 views
Our difference is 6. We have a sum of 14. What numbers are we? We know number 10. How did you find 4? Please describe and solve
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2. 1,650 views
F(x) = square root of x-6 -5
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2. 336 views
Find the perimeter of the triangle whose vertices are the following specified points in the plane (-2,-7) (1,-6) and (-7,7)
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2. 1,135 views
Find the perimeter of the triangle whose certified are the following specified points in the plane (5,-1) (-9,3) and (0,1
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2. 469 views
Which of these describes the location of the Gulf of Mexico? (5 points)South of West Florida East of East Florida*** West of New
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2. 1,866 views
Which of these describes the location of the Gulf of Mexico?A. South of West Florida B. East of East Florida C. West of New
1. 2 answers
2. 1,080 views
The perimeter of a square must be greater than 40 inches but less than 94 inches. Find the range of possible side lengths yay
1. 1 answer
2. 1,480 views
8w less than or equal to 9w - 5 or 1-4w > 25. Enter the solution using interval notation?
1. 1 answer
2. 472 views
Compare the graph of a compound inequality involving and with the graph of a compound inequality involving or.
1. 2 answers
2. 1,002 views
What compound inequality represents the phrase "all real numbers that are greater than or equal to 0 and less than 8"
1. 1 answer
2. 1,767 views
Write an inequality for Six times a number increased by 38 is no more than the number decreased by 14
1. 2 answers
2. 609 views
Whats an inequality for negative three sevenths of a number is at least 102.
1. 1 answer
2. 934 views
Which is more expensive to create wind power or natural gas?
1. 2 answers
2. 367 views
Write two different inequalities that you can solve by adding 5 and multiplying by -3.
1. 1 answer
2. 803 views
A system of equations is shown below:x + y = 3 2x − y = 6 The x-coordinate of the solution to this system of equations is
1. 3 answers
2. 3,584 views
hello what is b + 6 1/8= 5 3/4
1. 3 answers
2. 267 views
If a ball has a weight of 6.8N what is the centripetal force of the string
1. 0 answers
2. 398 views
what is the measurement of the end of a crayon in cm
1. 6 answers
2. 379 views
what is the size of a crayons top tip in centimeters?
1. 3 answers
2. 374 views
hi what is m/3+6=3
1. 1 answer
2. 296 views
2.)Why does the author of "The Drummer Of Shiloh" say it is a "Solemn Night For a boy just turned fourteen"?A.)The wind is full
1. 6 answers
2. 1,235 views
1.)In "The Drummer Boy Of Shiloh", what does the general call the drummer boy?A.)The BRAINS OF THE ARMY b.)The Heart Of The Army
1. 51 answers
2. 11,641 views
Will runs 6 laps before Megan joins him at the track. They then run together at the same pace. Represent the relationship
1. 1 answer
2. 942 views
Simplify -(a + 5)
1. 1 answer
2. 407 views
Part 2: Once the tiles were laid, mahogany floor trim was installed around the perimeter of the floor. The trim cost $11.85 per
1. 1 answer
2. 459 views
your management company was hired to take over the maintenance of the room. last year the old floor tiles were replaced with
1. 2 answers
2. 637 views
How is the area of a square related to its side length?
1. 4 answers
2. 468 views
The Eatery Restaurant has 200 tables. On a recent evening, there were reservations for fraction 1/10 of the tables. How many
1. 2 answers
2. 922 views
At present, the sum of the ages of a father and his son is 33 years. Determine the smallest number of years until the father's
1. 2 answers
2. 1,333 views
Hi what is (z-3^2)? I think it equals (1-9). Is that correct?
1. 1 answer
2. 318 views
What is (z×6)???
1. 3 answers
2. 342 views
A political communication that uses a picture to represent something else is an example of ______.A. bias B. prejudice C.
1. 3 answers
2. 1,682 views
Which of the following statements would you place in the section labeled F? F is under disadvantages of democracy.A. Very little
1. 1 answer
2. 966 views
Leaders from several states of a nation meet once a year to settle common issues. They govern their own states independently,
1. 5 answers
2. 1,540 views
Which of the following statements would you place in the section labeled F? F is under disadvantages of democracy.A. Very little
1. 5 answers
2. 1,467 views
the antelopes eat 15 kg of corn, 14 kg of horse feed, and 100 kg of hay per day. how many kilograms of food are eaten per week?
1. 1 answer
2. 444 views
uppose some natural disaster occurs and a species of finch is forced to relocate from its original island where us dined on
1. 0 answers
2. 706 views
A car is initailly travelling at 50.0km/h. The brakes are applied and the car stops over a 35m distance. What was magnitude of
1. 1 answer
2. 1,382 views
A rock of mass 0.234 kg falls from rest from a height of 28.9 m into a pail containing 0.492 kg of water. The rock and water
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2. 719 views
Which best describes how the money that individuals have in savings accounts affects the economy?1. The money in savings
1. 2 answers
2. 1,213 views
Which best describes how the money that individuals have in savings accounts affects the economy?A. The money in savings
1. 4 answers
2. 1,061 views
Suppose the Federal Reserve raises interest rates. Which of the following predicts the most likely results?A. The money supply
1. 1 answer
2. 599 views
Suppose the Federal Reserve raises interest rates. Which of the following predicts the most likely results?A. The money supply
1. 0 answers
2. 745 views
Which best describes how the money that individuals have in savings accounts affects the economy?A. The money in savings
1. 9 answers
2. 2,335 views
Which best describes how patent law encourages market competition?A. It protects peoples ideas B. It protects companies
1. 4 answers
2. 1,866 views
Which of the following scenarios would be most likely to cause a small bank to be less willing to loan money to small businesses
1. 1 answer
2. 1,357 views
Which of the following would contribute most to the creation of a strong economy?A. The government limiting loans to agencies
1. 6 answers
2. 1,746 views
Which of the following would contribute most to the creation of a strong economy?A. The government limiting loans to agencies
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2. 1,063 views
Zach's book weight 1.32Kg what is the mass in grams of his book
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2. 445 views
Which of the following forces us to make choices?a) scarcity b) trade offs c) opportunity cost d) money
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2. 1,485 views
An artist is asked to create a painting of a politician, Illustrating qualities of power and benevolence. Which visual
1. 5 answers
2. 2,076 views
Which two cultures use creatures to protect or transport humans after death?A. America (bald eagle) and Spain (Bull) B. Egypt
1. 9 answers
2. 3,724 views
Chinese artists often express their philosophies using calligraphy. Which is the best definition of philosophy?A. a complex idea
1. 11 answers
2. 1,849 views
the eighth grade students are selling magazine subscriptions to raise money for a class trip. they earn $3 for every
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2. 690 views
Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is
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2. 1,008 views
Four of the angles of a hexagon measure 53°, 126°, 89°, and 117°. What is the sum of the measures of the other two angles?
1. 1 answer
2. 1,029 views
If x and y are positive integers, which of the following could be equal to3x+ 4y? The answer is 10, but not sure on how to get
1. 2 answers
2. 577 views
9, 13, 17, 21, ...In the sequence above, each term after the first is 4 greater than the previous term. What is the difference
1. 1 answer
2. 1,696 views

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