fooks

[匿名]

回覆: 1

2016-06-15 12:50 am

a solution is made by dissolving 4.6g of potassium chloride per 64.0g of water. what is the percent by mass of the solute?

Josh

回覆: 2

2016-06-15 3:18 am

How many grams of NH3 can be formed from 0.492 moles of N2?

[匿名]

回覆: 1

2016-06-15 3:25 am

How many moles of NaNO3 are produced when 50.0 mL of 2.02 M NaOH is added to 50.0 mL of 2.00 M HNO3?

Josh

回覆: 1

2016-06-15 3:19 am

How many moles of water (H2O) are produced when 14.8 moles of oxygen (O2) completely react?

Josh

回覆: 1

2016-06-15 3:19 am

How many moles of carbon dioxide are in 2.22 x 1023 molecules of carbon dioxide?

Josh

回覆: 1

2016-06-15 3:19 am

How many moles of MgCl2 are present in 78.3g of MgCl2?

[匿名]

回覆: 2

2016-06-15 1:03 am

pH problem?

[匿名]

回覆: 2

2016-06-15 2:54 am

Chemistry Help??>?

[匿名]

回覆: 2

2016-06-15 2:02 am

http://i64.tinypic.com/10mjx4w.jpg - Question 16 why is the answer (c)..?

[匿名]

回覆: 1

2016-06-15 2:19 am

1. How many moles of gas would be found in a rigid 5.0 L cylinder at 12.0 atm of pressure at 15 C 2. What is the volume of 7.5 mol argon?

[匿名]

回覆: 1

2016-06-15 2:04 am

Calculate the density of xenon gas at a pressure of 737 mmHg and a temperature of 40 ∘C.?

[匿名]

回覆: 1

2016-06-15 12:33 am

Identify the limited reactant and show the work for the following?

[匿名]

回覆: 1

2016-06-15 1:03 am

What volume of water is produced?

[匿名]

回覆: 1

2016-06-15 1:42 am

Complete and balance each of the following:?

[匿名]

回覆: 1

2016-06-15 1:19 am

How do you find the reactant that is a Brønsted−Lowry acid in the following reaction: CO32−(aq)+H2O(l)⇌HCO3−(aq)+OH−(aq)?

[匿名]

回覆: 1

2016-06-15 1:28 am

Chemistry Question Help! How many grams in 1.20 x 10^22molecules of CCl4 ?

[匿名]

回覆: 1

2016-06-15 1:30 am

If 29.22 grams of NaCl are dissolved in 1.0 liters of water, what is the molarity of the resulting solution?

[匿名]

回覆: 1

2016-06-15 1:21 am

Table salt, sodium chloride, has the formula NaCl......?

[匿名]

回覆: 3

2016-06-14 5:08 pm

Density questions? - maths?

[匿名]

回覆: 2

2016-06-14 4:56 pm

Triangle maths questions?

[匿名]

回覆: 11

2016-06-14 4:41 pm

How much CaCl2 do you need to make 500 mL of 1 M of CaCl2?

[匿名]

回覆: 2

2016-06-14 4:36 pm

simplify : { 5[8^1/3+27^1/3]^3}^1/4?

[匿名]

回覆: 1

2016-06-14 4:03 pm

Please solve this whole Integration of [sec^2xdx/sqrt (1-tan^2x)]?

用戶40441

回覆: 2

2016-06-14 3:45 pm

rate and ratio?

[匿名]

回覆: 2

2016-06-14 3:51 pm

Which of these pairs of elements have the same number of valence electrons?

[匿名]

回覆: 1

2016-06-14 3:20 pm

Calculate the rate of decomposition of H2O2 at 25 °C when [H2O2] is exactly 10.0 mmol/L?

[匿名]

回覆: 1

2016-06-14 1:10 pm

Phosgene, Cl2CO, is a highly toxic gas that was used as a weapon in World War I. Estimate the enthalpy chan?

[匿名]

回覆: 1

2016-06-14 1:36 pm

How many kilojoules are required at 100°c to vaporize 45g of water?

[匿名]

回覆: 3

2016-06-14 2:19 pm

3(4^x)=250^x and 5^(x-2)=4^(2x+3) HELP PLEASE?

[匿名]

回覆: 2

2016-06-14 7:53 am

A golf club strikes a 0.037-kg golf ball in order to launch it from the tee.?

[匿名]

回覆: 2

2016-06-14 12:27 am

how many molecules are in 26.1 grams of Sr?

[匿名]

回覆: 1

2016-06-14 5:11 am

A Balloon originally had a Volume of 6.5L at 280K and a pressure of 1.5atm the ballon must be kept cooled to _k to reduce its volume of 3.3L?

[匿名]

回覆: 2

2016-06-14 3:25 am

Explain how the addition of carbon affects iron's malleability?

[匿名]

回覆: 1

2016-06-14 4:58 am

9 3/4 acres of land are to be divided into lots of at least 2/3 acres each. what is the maximum number of lots that can be created?

[匿名]

回覆: 3

2016-06-14 4:36 am

Find the equation of the line through (-7,4) whose intercept are numerically equal of opposite sides?

[匿名]

回覆: 3

2016-06-14 4:47 am

What s -3p^3/4p^3?

[匿名]

回覆: 1

2016-06-14 3:03 am

Determine the mole fraction of trans-2-hexene in the vapor phase (at -25 °C)?

[匿名]

回覆: 3

2016-06-14 3:58 am

please help me pleaseeeeeeeeeee?

[匿名]

回覆: 1

2016-06-14 3:47 am

MATH HELP, MUCH APPRECIATED?

[匿名]

回覆: 2

2016-06-14 3:41 am

What rational number is equivalent to the expression 69 2/9 - 31 1/9 - (-12 4/9)?

[匿名]

回覆: 2

2016-06-14 3:34 am

if sinx = 0.3, cos a = 0.5, find sin(pi - a). show all the steps. please help?

[匿名]

回覆: 1

2016-06-13 2:55 pm

Enthalpy change?

[匿名]

回覆: 1

2016-06-13 6:17 pm

Does B3+ have 5 electrons?

[匿名]

回覆: 1

2016-06-13 3:29 pm

chemistry..?

[匿名]

回覆: 2

2016-06-13 4:08 pm

Please don't answer if you arent going to answer them all. :D?

[匿名]

回覆: 1

2016-06-13 3:36 pm

chemistry?

[匿名]

回覆: 3

2016-06-13 3:40 pm

chemistry.?

用戶40441

回覆: 1

2016-06-13 12:50 pm

rate and ratio?

[匿名]

回覆: 1

2016-06-13 12:02 pm

如何使用分部積分法求出(sin(ax) )^2*dx?

[匿名]

回覆: 2

2016-06-13 9:38 am

A 2.00 M aqueous solution of LiCl has a density of 1.0450 g/mL. If the total mass of the solution is 51.0 g, Mass of LiCl and Mass of H20?