Chemistry Answers

4. Calculate the concentration of each ions remaining in the solution when 100.0mL of 0.20M Silver Nitrate solution reacts with 100.0mL of 0.15M Calcium Chloride solution. A. 0.050M CI,0.075M Ca ,0.100M NO. B. 0.075M CL,0.050M Ca²+ ,0.100M NO₂. C. 0.100M CI,0.075M Ca² ,0.050M NO

1. 19 ^ 42 K - 1 ^ 0 e+

State whether each of the following situations is an example of surface tension, capillary action, or adhesion. Include an explanation to support each answer.

1. After it rains, you have water droplets on your car.

2. You see an insect walking on a pond. 

3. You left the end of a towel in a bucket of water. The end that is hanging over the rim of the bucket is wet as well.

State whether each of the following situations is an example of surface tension, capillary action, or adhesion. Include an explanation to support each answer.

1. After it rains, you have water droplets on your car.

2. You see an insect walking on a pond. 

3. You left the end of a towel in a bucket of water. The end that is hanging over the rim of the bucket is wet as well.

how use Bohr's equation to calculate. how much energy in joule is needed to promote an electron from H-atom n=1 to the n=4 level?

How many C₆H₁₂O₆ molecules are contained in a 100g sample of C₆H₁₂O₆

If a bottle of concentrated hydrochloric acid contains a density of 36% by weight and a specific weight of 1.18, what is its standard of acid?

How many moles of hydrogen are required to react with 2.5 moles of oxygen to produce hydrogen oxide? Show work.

Garlic is very common in our kitchen and taste when we eat food. It makes the food delicious and give an aroma that excite you to eat. Allicin is the compound responsible for its smell. The molecular formula of a allicin is C₆ H₁₀ OS₂

a. What is the molar mass of allicin?

b. How many moles of allicin are present in 8.00 mg of this substance?

c. How many molecules of allicin are in 4.00 mg of this substance

d. How many S atoms are present in 2.00 mg of allicin?

Five hundred (500) milliliters of aqueous solution contains thirty (30) milligrams of zinc nitrate (Zn(N03)2 . The density of the aqueous solution is 1 gram per milliliter (1 g/ml). The atomic masses : Zn = 65.39 , N = 14.00674 , O = 15.994 , Compute for the concentration of zinc nitrate in the aqueous solution in terms of mass fraction (mi), parts per million (ppm), parts per billion (ppb), parts per trillion (ppt), milligrams per liter (m/l) and Molarity (M).