Question

Can anyone answer these questions?

1. Find the mass of C3H7OH. Round to the nearest hundredth.
2. What is the mole-to-mole relationship for the reactants?
B2H6 + 3O2 (makes) 2HBO2 + 2H2O
3. If you had 4.2 moles of O2, how many grams would you have?
4. If you had 4.2 moles of B2H6, how many grams would you have?
5. If you had 4.2 moles of B2H6, how many moles of O2 would you need to completely react with B2H6?
6. If you had 4.2 moles of B2H6, how many moles of HBO2 would be produced?
7.How many grams of HBO2 would be produced from 4.2 moles of B2H6?
B2H6 + 3O2 (makes) 2HBO2 + 2H2O
8.If you had 4.2 moles of B2H6, how many moles of H2O would be produced?
B2H6 + 3O2 (makes) 2HBO2 + 2H2O
9.If you had 4.2 moles of B2H6, how many grams of H2O would be produced?
B2H6 + 3O2 (makes) 2HBO2 + 2H2O
10. 4 Al + 3 O2 (makes) 2 Al2O3
Find the limiting reactant if you have 5.0 grams of Al and 5.0 grams of O2.
11.What is the mole-to-mole relationship for the reactants?
4 Al + 3 O2 (makes) 2 Al2O3
12. 2Al + 6HCl (makes) 2AlCl3 + 3H2
Find the mole ratio for the products.
13.How many moles of HCl would be needed to completely use up 5.8 moles of Al?
2Al + 6HCl (makes) 2AlCl3 + 3H2
14.How many grams of HCl would be needed to completely use up 5.8 grams of Al?
2Al + 6HCl (makes) 2AlCl3 + 3H2
15.How many moles of AlCl3 would be produced if there were 2.7 moles of Al and 2.7 moles of HCl?
2Al + 6HCl (makes) 2AlCl3 + 3H2
16. How many grams of AlCl3 would be produced if there were 2.7 moles of Al and 2.7 moles of HCl?
2Al + 6HCl (makes) 2AlCl3 + 3H2
17. How many moles of H2O would be produced if there are 100.0 g of NH3 and 100.0 grams of O2?
4 NH3 + 5 O2 (makes) 4 NO + 6 H2O
18. Find your percent yield using the theoretical for H2O that you calculated in #17 if you actually produced 62.4 grams of H2O.

Answer 1

IL Read the story carefully then answer the following questions below Wish Upon Star were watching the stars as they competed on which star was the brightest Two brothers, Danny and Joey, were lying on the soil grass outside their house. They "Have you seen a shooting star?"asked Danny Not yet Mother told me to make a wish when I see one." answered Joey Funny! But Father said that, too."said Danny Suddenly, they saw a shooting star on the sky Questions Note: Write your answer in complete sentence I. What were Danny and Joey doing outside.?2 What kind of night was it when the story happened? 3. Did the brothers make a wish when they saw the shooting star? What made you say?4. Is the title of the selection a suitable one? Why? or Why not? appears in every and thing people note 5. What do you expect to happen when you wish upon a star