An atom has eight protons. what would need to happen for the atom to have an overall charge of 2

Is humidity high after a snowstorm

The combustion of 0.0272 mole of a hydrocarbon produces 1.9584 g H2O and 3.5927 g CO2. What is the molar mass of the hydrocarbon?

How many moles are in 4.3 x 10^22

Explique porque o ácido benzóico é mais ácido que a água

if a solution is saturated, how does the rate of dissolution of a solute compare with it's rate of crystallization?

Ryan is a 13-year-old male who has just entered puberty. Which change can Ryan expect during this stage of his life? a thinning of body hair an increase in high-risk behaviors a more restful sleep pattern a decrease in vocal ability

What is the role of roughages in the balanced diet

How is enthalpy used to predict whether a reaction is endothermic or exothermic? when the enthalpy of the reactants is higher than the enthalpy of the products, the reaction is endothermic.

How many moles of ammonia, NH3, can be made from 7.5 moles of H2? N2 + 3H2 → 2NH3 A. 15 moles B. 22 moles C. 5 moles

A cube of aluminum (density = 2.70 g/ml) has a mass of 17.2 g. what is the edge length of the cube?