How much heat is absorbed during production of 127 g of NO by the combination of nitrogen and oxygen?

N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

Why is it not advisable to wash the thermometer with hot water?

Which object is accelerating? ⦁ A car traveling at a constant velocity around an oval shaped track. ⦁ A bicycle slowing down as it goes up a steep hill. ⦁ A skate border speeding up as he skates down a ramp. ⦁ All of the above.

What would happen if the concentration of the crystal violet dye doubled?

What do you think is the effect of acid rain on rusting?

How many molecules of sodium oxide will be created if 275 grams of sodium reacts with excess oxygen? Given the equation: 4Na + O2 - > 2Na2O

Equal masses (in grams) of hydrogen gas and oxygen gas are reacted to form water. Which substance is limiting? a. Oxygen gas is limiting b. Hydrogen gas is limiting. c. Water is limiting. d. Nothing is limiting. e.

Many things can cause an organism to become extinct. Here are some possible causes of extinction. Select the human causes of extinction.

Which word equation shows lithium oxide being formed from the reaction between oxygen and lithium? oxygen + lithium oxide Right arrow. Lithium lithium + oxygen Right arrow. Lithium oxide oxygen + lithium Right arrow.

What happens to the speed of light when waves travel through a denser medium

A 1.79-L flask is filled with propane gas (C3H8), at 1.00 atm and - 16.1°C. What is the mass of the propane in the flask?