Question

The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. $$2Cr2​O3​(s)+3Si(s) 4Cr(l)+3SiO2​(s)...

The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. $$2Cr2​O3​(s)+3Si(s) 4Cr(l)+3SiO2​(s) The reaction is begun with 137.00 g of Si and 84.00 g of Cr2O3. How many grams of the excess reactant are left after the reaction is complete?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
If the reaction begins with115.0 grams of Cr2O3 and125.0 grams of silicon, how many grams of...
If the reaction begins with115.0 grams of Cr2O3 and125.0 grams of silicon, how many grams of the excess reactant will be used?
In order to make modern electronics components, silicon of an extremely high purity is required. One...
In order to make modern electronics components, silicon of an extremely high purity is required. One of the steps in purifying silicon involves reacting the intermediate silicon tetrachloride with steam to produce high-purity silicon dioxide and hydrogen chloride gas, as shown in the unbalanced equation below. SiCl4(s) + H2O(g) → SiO2(s) + HCl(g) If the reaction is run with 536.5 g SiCl4 and 103.2 g H2O, what mass of SiO2 will be produced, and what is the excess reactant and...
Consider the balanced chemical reaction shown below. 1 Ca3P2(s) + 6 H2O(l) 3 Ca(OH)2(s) + 2...
Consider the balanced chemical reaction shown below. 1 Ca3P2(s) + 6 H2O(l) 3 Ca(OH)2(s) + 2 PH3(g) In a certain experiment, 3.981 g of Ca3P2(s) reacts with 4.412 g of H2O(l). (a) Which is the limiting reactant? (Example: type Ca3P2 for Ca3P2(s)) (b) How many grams of Ca(OH)2(s) form? (c) How many grams of PH3(g) form? (d) How many grams of the excess reactant remains after the limiting reactant is completely consumed?
Consider the balanced chemical reaction shown below. 4 PH3(g) + 8 O2(g) 6 H2O(l) + 1...
Consider the balanced chemical reaction shown below. 4 PH3(g) + 8 O2(g) 6 H2O(l) + 1 P4O10(s) In a certain experiment, 3.118 g of PH3(g) reacts with 6.294 g of O2(g). (a) Which is the limiting reactant? (Example: type PH3 for PH3(g)) is the limiting reactant. (b) How many grams of H2O(l) form? g of H2O(l) form. (c) How many grams of P4O10(s) form? g of P4O10(s) form. (d) How many grams of the excess reactant remains after the limiting...
The reaction 6ClO2 (g) + 2BrF3 (l) --> 6ClO2F (s) + Br2 (l) is carried out...
The reaction 6ClO2 (g) + 2BrF3 (l) --> 6ClO2F (s) + Br2 (l) is carried out with 12 mol of ClO2 and 5 mol of BrF3. a) Identify the excess reactant. b) Estimate how many moles of each product will be produced and how many moles of the excess reactant will remain. c) Which reactant is limiting?
Consider the balanced chemical reaction shown below. 2 C3H6(g) + 9 O2(g) 6 CO2(g) + 6...
Consider the balanced chemical reaction shown below. 2 C3H6(g) + 9 O2(g) 6 CO2(g) + 6 H2O(l) In a certain experiment, 6.004 g of C3H6(g) reacts with 2.118 g of O2(g). (a) Which is the limiting reactant? _____ is the limiting reactant. (b) How many grams of CO2(g) form? _____g of CO2(g) form. (c) How many grams of H2O(l) form? _____g of H2O(l) form. (d) How many grams of the excess reactant remains after the limiting reactant is completely consumed?_____...
If 0.83 moles of carbon monoxide gas are produced by the following reaction, how many grams...
If 0.83 moles of carbon monoxide gas are produced by the following reaction, how many grams of silicon dioxide and of carbon were reacted (assume just enough of each)? SiO2(s) + 2 C(s) → Si(l) + 2CO(g)
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced....
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s)+2HCl(aq)----->CaCl2(aq)+H2O(l)+CO2(g) How many grams of calcium chloride will be produced when 26.0 g of calcium carbonate are combined with 15.0 g of hydrochloric acid? Which reactant is in excess and how many grams of this reactant will remain after the reaction is complete?
N2 + 3H2 ??2NH3 complete the problems below if the reaction above has starting of 28.0...
N2 + 3H2 ??2NH3 complete the problems below if the reaction above has starting of 28.0 g of N2 and 25.0 g of H2? (a) which is the limiting reactant? (b) how many grams of ammonia can be produced from these starting amounts? (C) in the laboratory exercise a students products measures 28.0 g of ammonia- what is the % yield of the lab exercise? (d) how many grams of the excess reactant are left over? please step by step...
Consider the following reaction: 3Cu(NO3)2 (aq) + 2CrCI3 (aq) ---> 3CuCI2 (s) + 2Cr(NO3)3 (aq) -In...
Consider the following reaction: 3Cu(NO3)2 (aq) + 2CrCI3 (aq) ---> 3CuCI2 (s) + 2Cr(NO3)3 (aq) -In the lab you mixed 36 grams of copper (II) nitrate with an excess amount of chromium(III) chloride. How many moles of chromium(III) nitrate would you produce. -What is the percent yield if you actually produced 15.5 g of chromium(III) nitrate?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT