fooks

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回覆: 3

2021-03-22 11:23 pm

A sample of gas in a balloon has an initial temperature of 30. ∘C and a volume of 1.62×103 L If the temperature changes to 65 ∘C ?

[匿名]

回覆: 1

2020-11-02 7:23 pm

Test preparation DELTA H help?

[匿名]

回覆: 7

2020-10-28 11:00 am

How do I solve this derivative question?

[匿名]

回覆: 2

2020-10-07 11:51 am

Esme noted the test marks, x, of 16 people in a class. She found that Σ x = 824 and that the standard deviation of x was 6.5.?

[匿名]

回覆: 2

2020-10-07 5:20 am

PLS HELP ME WITH MY MATH PROBLEM!?

[匿名]

回覆: 3

2020-10-06 10:03 pm

a rock has a mass of 15g and a volume of 3cm3 what is the density of the rock?

[匿名]

回覆: 1

2020-09-29 2:09 pm

An urn contains 8 red, 7 blue and 5 green balls. Two balls that are of different colours are drawn. ?

[匿名]

回覆: 1

2020-09-29 1:32 pm

do ethers completely dissolve in water?

[匿名]

回覆: 3

2020-09-29 1:48 pm

what is the name of the process to make sulfuric acid?

[匿名]

回覆: 1

2020-09-28 2:22 pm

Chemistry ?

[匿名]

回覆: 11

2020-09-28 2:16 pm

0.00822649 find the positive square root?

[匿名]

回覆: 1

2020-09-23 11:09 am

3. A gas occupies 1.56 L at 1.00 atm. What will be the volume of this gas if the pressure becomes 3.00 atm?

[匿名]

回覆: 3

2020-09-23 2:23 am

PHYSICS HELP please :(?

[匿名]

回覆: 2

2020-09-22 11:57 pm

If you burn 52.8g of hydrogen and produce 472g of water, how much oxygen reacted?

[匿名]

回覆: 1

2020-09-16 12:51 am

The product of two 3-digit numbers is 28 749. The H.C.F. of these two numbers is 37. Find the difference of these two numbers.?

[匿名]

回覆: 1

2020-09-16 1:26 am

How do I solve this chem question? ?

[匿名]

回覆: 2

2020-09-16 1:13 am

Question is below in the photo ?

[匿名]

回覆: 5

2020-09-11 12:40 pm

trigonometry homework help?

[匿名]

回覆: 1

2020-09-11 10:14 am

What is the order of the reaction with respect to BrO2?

[匿名]

回覆: 3

2020-09-11 12:11 am

determine how many grams of CO2 are produced by burning 2.43g of C4H10?

[匿名]

回覆: 1

2020-09-08 2:49 am

12.3g of P4 reacts with cl2 to produce 50.0g of PCl3. what is the percent yield?

[匿名]

回覆: 1

2020-09-08 1:36 am

Help with probability hw?

[匿名]

回覆: 14

2020-09-08 1:49 am

Why does this function has 4 roots?

[匿名]

回覆: 1

2020-09-04 1:34 pm

Please help?

[匿名]

回覆: 8

2020-09-03 3:56 pm

f(x)=(x^2-4x-5)^4?

[匿名]

回覆: 2

2020-08-27 10:37 pm

Chem- I need help?

[匿名]

回覆: 1

2020-08-27 10:09 pm

A mixture of benzene and ethylene chloride is considered an ideal binary system. Why?

[匿名]

回覆: 1

2020-08-27 9:52 pm

A transverse wave is traveling through a canal. If the distance between two successive crests is 1.97 m and four crests of the wave ?

[匿名]

回覆: 1

2020-06-07 9:35 pm

A mixture of NaNO3 and Na2SO4 weighs 5.37g and contains 1.61g of sodium. What is the percentage of NaNO3 in the mixture?

[匿名]

回覆: 2

2020-06-07 7:51 pm

A curve has a general equation of the form Ax²+By²+F=0. If it passes through (4,0) and (0,3), find its specific equation.?

[匿名]

回覆: 5

2020-06-07 4:14 pm

What are the x and y intercepts of x^2 + (y-4)^2 = 9 ?

[匿名]

回覆: 1

2020-05-27 6:01 pm

The first-order reaction A → B, ℎas k= 1/8.00. if [A]0 = 0.500M, how long will it take [A] = 0.200M?

[匿名]

回覆: 1

2020-05-27 5:19 pm

Write the rate laws for the following elementary reactions. (Rate expressions take the general form: rate = k . [A]a . [B]b.)?

[匿名]

回覆: 2

2020-05-25 11:33 pm

Chemistry Question? Nickel Plating?

[匿名]

回覆: 1

2020-05-12 12:22 pm

Can you guys answer these questions?

[匿名]

回覆: 2

2020-05-12 8:48 am

Major chm help needed!?

[匿名]

回覆: 3

2020-05-12 8:26 am

If ΔH = -70.0 kJ and ΔS = -0.300 kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature.?

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回覆: 1

2020-04-30 12:48 am

Percentage yield?

[匿名]

回覆: 1

2020-04-29 3:49 pm

chem help please?

[匿名]

回覆: 1

2020-04-29 4:04 pm

if time of flight of a projectile is 4.1sec then find the Maximum height of projectile?

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回覆: 3

2020-04-17 2:55 pm

Probability for stats ?

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回覆: 1

2020-04-17 2:15 pm

chem help needed?

[匿名]

回覆: 1

2020-04-17 2:10 pm

help needed?

[匿名]

回覆: 1

2020-04-13 2:03 pm

Question 5?

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回覆: 1

2020-04-13 2:02 pm

Question 3?

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回覆: 2

2020-04-13 1:22 pm

Calculus max and min values ?

[匿名]

回覆: 1

2020-04-13 10:46 am

Find the vapor pressure of an aqueous (water as the solvent) ?

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回覆: 1

2020-04-13 10:44 am

help chemistry homework help 1 question test!?

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2020-04-13 10:36 am

An aqueous solution containing an equal number of moles of NaF and HF is an example of a buffer solution.?

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回覆: 1

2020-04-07 11:12 pm

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 x10E5 m/s. The atomic mass of 20Ne is 19.992 amu?