This compound can be made by combining gaseous carbon monoxide with hydrogen gas (with this compound as the only product). What is the maximum mass of this compound that can be prepared if 8.0 kg of hydrogen gas react with 59.0 kg of carbon monoxide gas

Maximum mass of compound produced = 64 Kg

Explanation:

Carbon monoxide react with hydrogen to produce methanol. Equation for the reaction is given as follows:

CO(g) + 2H₂(g) > CH₃OH(l)

From the equation of reaction, 1 mole of CO reacts with 2 moles of Hydrogen gas to produce 1 mole of methanol.

Molar mass of CO = 28 g

Molar mass of H₂ = 2 g

Molar mass of methanol = 32 g

Therefore, 28 g of CO reacts with  4 g of H₂ to produce 32 g of methanol

8.0 Kg of hydrogen will react with 8 * (28/4) Kg of CO = 56 Kg of CO.

therefore, hydrogen is the limiting reactant in the reaction under consideration.

8.0 Kg of Hydrogen will react with 56 Kg of CO to produce 8 * (32/4) Kg of methanol =  64 Kg of methanol

Therefore, maximum mass of compound produced = 64 Kg

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

b. is the answer hoped i