(60 points)
stoichiometry

1. the following reaction shows calcium chloride reacting with silver nitrate. cacl2 + agno3 → agcl + ca(no3)2 how many grams of agcl are produced from 30.0 grams of cacl2?

(molar mass of ca = 40.078 g/mol, cl = 35.453 g/mol, o = 15.999 g/mol, ag = 107.868 g/mol, n = 14.007 g/mol)

a. 19.4 grams
b. 38.8 grams
c. 58.2 grams
d. 77.5 grams

2. a synthesis reaction takes place when carbon monoxide (co) and hydrogen gas (h2) react to form methanol (ch3oh). how many grams of methanol are produced when 14 grams of carbon monoxide reacts with 1.5 grams of hydrogen gas?

a. 6 grams
b. 8 grams
c. 12 grams
d. 16 grams

3. read the chemical equation.

mg + 2hcl → mgcl2 + h2

how many moles of mgcl2 are produced from 4 moles of hcl?

a. 0.2
b. 0.5
c. 1.0
d. 2.0

Why do you suppose the structural polysaccharide cellulose does not contain branches? why do you suppose the structural polysaccharide cellulose does not contain branches? branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby decreasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby increasing the rigidity and strength of the microfibrils. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby increasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby decreasing the rigidity and strength of the microfibrils.

Which of these conditions most likely produces an unstable isotope?

Which metal exist in liquid state and can be cut with knife ?