What mass of carbon dioxide will be produced from the combustion of 5.00 kg of acetylene (C2H2)? The balanced equation is 2 C2H2 + 5 O2 → 2 H2O + 4 CO2   a. The molar mass of acetylene is __________g C2H2/mol C2H2 Give the molar mass to 4 sig figs!

a. According to the following reaction, how many moles of mercury will be formed upon the complete reaction of 31.8 grams of mercury(II) oxide?2HgO (s) 2Hg (l) + O2 (g)____moles mercury b.According to the following reaction, how many grams of water are necessary to form 0.295 moles phosphoric acid?P2O5 (s) + 3H2O (l) 2H3PO4 (aq)______grams water

For the following reaction: C3H8(g) + 02 ——-> CO2(g) +H20(g) a). balance the reaction b). determine the limiting reactant from 20.0 grams of each starting reactant c). calculate the theoretical yield of CO2(g) in grams d). calculate the percent yield if the actual yield was 10.7 grams

When nitrogen dioxide from car exhaust combines with water in the atmosphere, it forms nitric acid and nitrogen monoxide. 1) Balance the equation __NO2+ __H2O --> __HNO3 + __NO 2) When 4.50 kg of nitrogen dioxide reacts with an excess of water, how many grams of nitric acid can form?

How many moles of Al are necessary to form 64.0 g of AIBR3 from this reaction: 2 Al(s) + 3 Br2(1) → 2 AIBR3(s) ? mol 4 5 6. 7 8 9. +/- х 100 3.

3. Given: NaCl 1 NiCl₂ + 2 NaOH → 1 Ni(OH)₂ + 2 A student combines 2.44 g of NiCl₂ with 6.44 g NaOH. Determine a. The limiting reactant. b. The mass of the excess reactant that remains at the end of the reaction. c. The number of NaCl molecules that are formed if the reaction is 51% efficient.

If 2S02 + 02 -------> 2S03 uses 3.65 g of molecular oxygen and 4.60 g of sulfur dioxide, calculate the maximum amount of sulfur trioxide that can be produced in moles.