What could you conclude if the enthalpy of the reaction has a positive sign?

What are state symbols in a chemical equation apex?

What is the correct noble gas configuration for sr?

Qué les sucede a las moléculas en el suelo cuando la temperatura del suelo aumenta?

A 50 L container holds 100 grams of nitrogen gas at a pressure of 45,000 pascals. Calculate the temperature of the nitrogen gas.

How many calories are required to heat 129 g of toluene (specific heat 0.408 cal/g°C) from 17°C to 99°C?

Water drops forming on the outside of a cold glass is an example of which phase change

A balloon containing 0.0400 mol of a gas with a volume of 500 mL was expanded to 1.00 L. Answer the questions and round answers to nearest hundredth place. Which equation should you use to find the amount of gas added?

Can quadrilateral RSTU be a parallelogram

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

The density of rubbing alcohol is 0.785g/mL at 25 Celsius. Calculate the mass of 15.0 mL of the rubbing alcohol.