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Ellen

Questions (138)

Right to safety and healthy living in the community
1. 1 answer
2. 121 views
Design a questionnaire to conduct interviews with more than six community members in your area about their right to safety and
1. 1 answer
2. 115 views
Reflection about how do you feel about the research you have done regarding your duty as a responsible citizens?
1. 1 answer
2. 101 views
Four strategies that South Africans could put in place to prevent the violation of human rights in the country
1. 1 answer
2. 110 views
Advice to your peers on where they can get information on projects that deal with victims of human rights violations
1. 1 answer
2. 126 views
Design a pamphlet to inform your fellow citizens about the importance of projects that are developed to combat human rights
1. 1 answer
2. 91 views
Consider the pointsA ( 1 , 1 ) A(1, 1) , B ( 2 , 4 ) B(2, 4) , C ( 3 , − 1 ) C(3, -1) , and D ( 5 , 6 ) D(5, 6) . Point A is
1. 2 answers
2. 432 views
When light of wavelength 450 nm is passed through a certain diffractiongrating, the first order diffraction maximum is found to
1. 0 answers
2. 629 views
A certain radioactive nucleus emits a gamma ray with an energy of 0.186 MeV.Calculate the mass lost by the nucleus during the
1. 1 answer
2. 1,782 views
The respective charges on three identical metal spheres (q1, q2 and q3) are ̶ 16.9 µ C,5.60 µ C and 2.6 µ C. The spheres are
1. 1 answer
2. 1,021 views
An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16
1. 0 answers
2. 728 views
An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16
1. 0 answers
2. 689 views
perform the indication operation. express the answer in simplest forms
1. 2 answers
2. 607 views
Hello!Is this good thesis? How can I make it better? I would recommend this novel to other readers because it is mysterious,
1. 2 answers
2. 541 views
How do i do this question??A 10.00ml Sample was taken from a 2Liter Container of Tropicana Orange juice. This sample was
1. 0 answers
2. 624 views
Some people prefer to use herbal medicines how will you know if they actually work?Thanks.
1. 0 answers
2. 418 views
What damage to the environment can the use of plant hormones cause?Thanks.
1. 0 answers
2. 458 views
The area of a rectangle is 222 sq feet. What is the length of its sides?
1. 1 answer
2. 525 views
4. Calculate the pH of each of the solutions and the change in pH to 0.01 pH units caused by adding 10.0 mL of 2.37-M HCl to
1. 3 answers
2. 1,287 views
Which of the following best describes a long-term political effect of the civil rights movement?A. The Democratic Party lost
1. 3 answers
2. 2,637 views
The ratio for red and blue skittles is 3:5. There are 20 more blue skittles. how many red skittles are there?
1. 1 answer
2. 588 views
Using stocks of 0.1 M KH2PO4 and 0.1 M K2HPO4 how much 0.1 M K2HPO4 is needed to prepare 20 mL of a buffer solution at pH 7.2.
1. 1 answer
2. 924 views
Mark makes 10% of 100, Lindsay makes 5% of 400, Kelly makes 15% of 100, what's the median average?
1. 5 answers
2. 636 views
What is the unit rate of drink4/5 L in 1/4 hour
1. 3 answers
2. 2,662 views
To completely react 17g of barium hydroxide, how many grams of hydrochloric acid is needed?
1. 1 answer
2. 578 views
Solve the volume of a cylinder with diameter (4 +2x)m, height (5x+1)mv=pi [(4+2x) x (5x+1)]
1. 1 answer
2. 446 views
Okay... I got all the answers. Thanks for the helps anyways. :( I just at least need one help.1. In plants, sexual reproduction
1. 2 answers
2. 765 views
1. In plants, sexual reproduction occurs when sperm and egg unite to form a...a. gamete b. gametophyte c. sporophyte d. zygote
1. 4 answers
2. 1,264 views
1. In plants, sexual reproduction occurs when sperm and egg unite to form a...a. gamete b. gametophyte c. sporophyte d. zygote
1. 1 answer
2. 2,117 views
A 1000Kg car is traveling at 40 m/s.a.) if the car stops in 20 seconds, what is the deceleration rate? b.) what friction force
1. 1 answer
2. 712 views
For example is this considered to be appropriate selected statistical test "(50)equal -0.45,p positive .50?
1. 0 answers
2. 317 views
The weight of a person and his luggage should not be greater than 150kg when travelling;(i) If the weight of the laggugge is W
1. 1 answer
2. 556 views
2Mg(s) + O2(g) 2MgO(s)If 9.92 g of Mg reacts with 8.52 g of O2. How many grams of MgO could be produced? I am just very confused
1. 1 answer
2. 887 views
Examples of letters to the person you picked (on the draw lots)
1. 2 answers
2. 410 views
The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t=0
1. 1 answer
2. 1,436 views
How would you write the net ionic equation for [Co (en) 2Cl2]Cl with AgNO3.Is it AgNO3 ----> Cl^- + 3Ag^+?
1. 1 answer
2. 599 views
what percentage more is 2200 than 1725.
1. 1 answer
2. 338 views
|3x+1|-|2-x|<3
1. 1 answer
2. 309 views
The Henry's law constant for CO2 at 20°C is 3.7*10^-2 M/atm. What mass of CO2 (in grams) is present in 355 mL of soda drink if
1. 3 answers
2. 3,260 views
if -2x+5=2-(5-2x), what is the value of x?
1. 1 answer
2. 351 views
Write the total and net ionic equations for the following molecular reaction:HgNO3 (aq) + NaCl (aq) -> HgCl (s) + 2 NaNO3 (aq)
1. 0 answers
2. 683 views
How many grams of I2 are present in a solution if 33.75mL of 0.140M Na2S2O3 solution is needed to titrate the I2solution?
1. 1 answer
2. 865 views
If the government imposes a price ceiling of $100 on a market, what would happen in the market as a result of protests of price
1. 0 answers
2. 1,380 views
Four consecutive integers have a product of 360 Find the integers by writing a plynomial equation that represents the integers
1. 1 answer
2. 2,660 views
mx3-nx2+5x-1 is divided by x-2 the remainder is -39. When divided by x-1 the remainder is 3. What are the values of m and n.
1. 1 answer
2. 1,221 views
Solve using set builder notation, show all work. 12x-25 is greater than or = to 3x-5(x+6)
1. 2 answers
2. 1,131 views
A square is made up of section A and section B. Section A is 500 sq. ft. and section B is 750 sq. ft. What percent of the square
1. 1 answer
2. 421 views
Universal instruments found that the monthly demand for its new line of Galaxy Home Computers t months after placing the line on
1. 2 answers
2. 3,661 views
determine the intervals where f(x) = e^((-x^2)/2) is increasing and where it is decreasing
1. 1 answer
2. 421 views
Given that g is the inverse function of f, and f(3)=4, and f'(3)=5, then g'(4)= ?
1. 0 answers
2. 810 views
The call letter of a radio station must have 4 letters.The first letter must be a K or a W. How many different station call
1. 2 answers
2. 949 views
The call letter of a radio station must have 4 letters.The first letter must be a K or a W. How many different station call
1. 2 answers
2. 1,366 views
The formaldehyde content of a pesticide preparation was determined by weighing 0.3124g of the liquid sample into a flask
1. 2 answers
2. 3,450 views
A 25.00mL sample of a household cleaning solution was diluted to 250.0mL in a volumetric flask. A 50.00mL aliquot of this
1. 3 answers
2. 2,689 views
What is the likely source of error from reading a graph where the absorbance (y-axis) versus concentration (x-axis) shows
1. 0 answers
2. 552 views
I'm so confused with these-please check them.¿Estudias algo los sábados? No, no estudio nada los sábados.Do I need the no, no
1. 2 answers
2. 566 views
Please check-I'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my
1. 4 answers
2. 730 views
I'm not sure what these questions mean and I have to answer them for homework¿Qué necesitas para comer en cereal?does this ask
1. 5 answers
2. 1,316 views
Él no va nunca.He never goesÉl ve alguien.He sees someone. Él no ve nadie.He doesn’t see anyone.
1. 4 answers
2. 469 views
Consider a frictionless track as shown in the figure below. A block of mass m1 = 5.75 kg is released from A. It makes a head on
1. 0 answers
2. 767 views
A projectile is fired straight up at a speed of 15 m/s.How long does it take to reach the top of its motion? The acceleration of
1. 1 answer
2. 1,477 views
A projectile is fired straight up at a speed of 15 m/s.How long does it take to reach the top of its motion? The acceleration of
1. 1 answer
2. 894 views
Two objects attract each other gravitationally with a force of 2.9 10-10 N when they are 0.29 m apart. Their total mass is 4.0
1. 0 answers
2. 934 views
One of the characters Mendel studied was the position of the flowers. He crossed plantsthat had flowers at the tips of the stems
1. 0 answers
2. 527 views
A segment of double-stranded DNA contains 31% Adenine (A) bases.a. What are the percentages of the other three bases in the DNA
1. 0 answers
2. 1,311 views
There are about 300,000,000 US citizens. If we wanted to assign each person a uniqueidentifier, using DNA sequences, how long a
1. 0 answers
2. 578 views
The measure of one angle in a linear pair is 30 more than twice the measure of the other angle. Find the measure of the angles.(
1. 3 answers
2. 1,891 views
Stuck! Help!2.5 cubed? Xxxxx
1. 1 answer
2. 380 views
Consider a pendulum of length 4.557 m. The acceleration of gravity is 9.832 m/s2 .a) What is its period at the North Pole?
1. 2 answers
2. 1,772 views
A trapeze artist swings in simple harmonic motion with a period of 3.2 s. The acceleration of gravity is 9.81 m/s2 . Calculate
1. 2 answers
2. 2,657 views
A mass of 0.38 kg is attached to a spring and is set into vibration with a period of 0.22 s. What is the spring constant of the
1. 1 answer
2. 1,522 views
The hoover dam produces 2x10 to the 9 Wof electricity. It is composed of 7x10 to the 9 kg of concrete. To produce 1 kg of
1. 1 answer
2. 932 views
the relationship between rotational speed and net force is direct right? and also can u say why it is direct
1. 1 answer
2. 432 views
A calorimeter contains 21.0 mL of water at 14.0 degreesC. When 1.90 g of X (a substance with a molar mass of 70.0 g/mol) is
1. 0 answers
2. 801 views
80.0 mL of water is initially at room temperature (22degrees C). A chilled steel rod at 2 degrees C is placed in the water. If
1. 1 answer
2. 811 views
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What
1. 2 answers
2. 1,453 views
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What
1. 2 answers
2. 2,340 views
Typically, when a person coughs, he or she first inhales about 2.50 L of air at 1.00atm and 25 degreesC. The epiglottis and the
1. 6 answers
2. 4,922 views
Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of
1. 1 answer
2. 1,359 views
A volume of 50.0 mL of aqueous potassium hydroxide was titrated against a standard solution of sulfuric acid. What was the
1. 1 answer
2. 1,142 views
Consider the titration of 21.0 mL sample of 0.110 M HC2H3O2 with 0.130 M NaOH. what is the initial pH? what is the volume of
1. 7 answers
2. 1,460 views
Calculate the pH of the solution that results from the mixture. 170 mL of 0.12 M C2H5NH2 with 285.0 mL of 0.22 M C2H5NH3Cl.
1. 2 answers
2. 930 views
what is the pH of 0.15 M NaF?
1. 1 answer
2. 1,154 views
If 5.05mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an
1. 2 answers
2. 1,235 views
If 5.00 mL of HCl require 4.03 mL of 0.9581 M NaOH to just consume the HCl, what is the concentration of the HCl?
1. 1 answer
2. 515 views
The following reaction was monitored as a function of time: AB--->A+BA plot of 1/[AB] versus time yields a straight line with
1. 0 answers
2. 859 views
The following reaction was monitored as a function of time: AB--->A +BA plot of 1/[AB] versus time yields a straight line with
1. 2 answers
2. 786 views
The rate constant of a reaction at 30 was measured to be 5.7×10^-2. If the frequency factor is 1.2 x10^13 /s what is the
1. 1 answer
2. 461 views
If a temperature increase from 18.0 to 34.0 triples the rate constant for a reaction, what is the value of the activation
1. 1 answer
2. 715 views
A hollow plastic spherical bobber of mass 0.005 kg and volume of 50 cm3 floats on the surface of a lake supporting a submersed
1. 4 answers
2. 1,946 views
What arguments can you make against the common assumption that marketers only worry about advertising?
1. 0 answers
2. 499 views
A 0.40 - kg object connected to light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface.
1. 1 answer
2. 974 views
I am writing my father's obituary - he passed away unexpectedly on Monday. He was from a very small town and always quoted verse
1. 1 answer
2. 521 views
I need help understanding how to slove two step equations. Example -10 - k=-36
1. 1 answer
2. 851 views
What are the three aspects of Orientalism
1. 2 answers
2. 865 views
1. Oanh walked from her home to the grocery store at 3 mi/h and jogged home at 6 mi/h. Her total round trip was 15 minutes
1. 4 answers
2. 653 views
Rewrite each polynomial as the product of two binomials.1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to
1. 3 answers
2. 692 views
Rewrite each polynomial as the product of two binomials.1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to
1. 1 answer
2. 513 views
We did a flame testing lab today with the following metal ions:Sodium, Na^+1 Barium, Ba ^2+ Calcium, Ca ^2+ Copper, Cu ^2+
1. 4 answers
2. 1,431 views
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot
1. 3 answers
2. 502 views

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