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Calcium cyanamide,
a. How many grams of
b. How many grams of
c. How many grams of
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GEN. ORGANIC & BIO CHEM W/ CODE >CUSTO
- 1. Sodium Hydroxide (NaOH) reacts with phosphoric acid (H3PO4) to form sodium phosphate (Na3PO4) and water (H2O) by the reaction NaOH(aq) + H3PO4 (aq) → Na3PO4 (aq) + H2O (l) if 25.60 grams of NaOH is reacted with 20.80 grams of H3PO4, a. How many grams of Na3PO4 are formed?b. What is the limiting reactant? c. How many grams of the excess reactant remains when the reaction is complete?2. Potassium superoxide, KO2, is used in rebreathing masks to generate oxygen according to the reaction below. If the mask contains 0.150mol KO2 and 0.100ml mol water, how many moles of oxygen can be produced? What is the limiting reagent?KO2 (s) + H2O (l) → KOH (s) + O2(g)arrow_forwardSodium reacts with oxygen to produce sodium oxide. 4Na(s)+O2(g)→2Na2O(s) 1. How many grams of Na2O are produced when 62.5g of Na reacts? 2. If you have 17.6 g of Na, how many grams of O2 are required for reaction? 3. How many grams of O2 are needed in a reaction that produces 76.1 g of Na2O?arrow_forward4. The reaction for the combustion of propene is:2 C3H6 + 9O2 6 CO2 + 6 H2O(a) If 15.0 g of C3H6 and 15.0 g of O2 are reacted, how many moles of H2O can be produced?(b) If 12.0 g of C3H6 and 25.0 g of O2 are reacted, how many moles of H2O can be produced?(c) If 5.0 mol of C3H6 and 15.0 mol of O2 are reacted to completion (until one reactant is completely used up), how many moles of CO2 can be produced? Which reactant is left over when the reaction has gone to completionin a closed container?arrow_forward
- What mass of NH3 is produced from 10 grams H2?2. How many grams of H2 are needed to react with 9 g N2?3. If 85 g of NH3 are produced, how many grams of N2 were used?arrow_forwardIn the reaction, CH 4 (g) + 2O2 (g) →CO2 (g) + 2H2O (l) a) How many milligrams pf CH4 react with 24.7 mg of O2 ? b) How many milligrams of CO2 are produced from 24.7 mg of O2 ?arrow_forwardSodium reacts with oxygen to produce sodium oxide. 4Na(s)+O2 (g)→2Na2O(s) How many grams of Na2O is produced when 19.6 g of Na reacts? If you have 20.0 g of Na, how many grams of O2 are required for the reaction? How many grams of O2 are needed in a reaction that produces 77.0 g of Na2O?arrow_forward
- Acetylene (C2H2) and calcium hydroxide (Ca(OH)2) are formed by the reaction of water with calcium carbide, according to the following equation: CaC2(s) + H2O(l) → Ca(OH)2(aq) + C2H2(g) 1. How many moles of Ca(OH)2 is formed from 5 moles of CaC2? 2. How many moles of CaC2 is needed to produce 4 moles of C2H2? 3. What is the mass of Ca(OH)2 produced from 4.00 mol of H2O?arrow_forwardOne of the steps in the commercial process for converting ammonia to nitric acid involves the conversion of NH3 to NO, as shown below. 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) In a certain experiment, 2.90 g of NH3 reacts with 5.05 g of O2.(a) Which reactant is the limiting reactant? O2 or NH3 (b) How many grams of NO form? g(c) How much of the excess reactant remains after the limiting reactant is completely consumed?arrow_forward3. Nitrogen monoxide (NO) is an intermediate product in the production of nitric acid from ammonia (NH3) and oxygen gas. 4 NH3 + 5 O2 ——> 4 NO + 6H20 a. Which is the limiting and excess reactant? b. What maximum amount of nitrogen monoxide can be produced from 68.0 g NH3 and 216 g O2? c. How many moles of the excess reactant was used? d. How much of the excess reactant was left? e. If the reaction produced 98.0 g nitrogen monoxide, what is the percent yield of the reaction?arrow_forward
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