How much energy is needed to completely remove an electron from n $ 2 in a hydrogen atom?

How many hydrogen grams can be obtained if a) m (H2) = ? m (Ca) = 10g b) m (CaH2) with H2O

Given the reaction below: 6CO2 + 6H2O - -> C6H12O6 + 6O2 How many moles of glucose (C6H12O6) are produced when of 51 moles of carbon dioxide (CO2) are consumed? A. 51 moles of glucose B. 1.75 moles of glucose C. 8.5 moles of glucose D. 0.

What is the molar mass of BaBrz?

Members of a species can mate with each other and produce gene pools. O B . fertile offspring. O C. variations. o D. adaptations.

Assume the atomic mass of element x is 22.99 amu. A 22.42 g sample of x combines with 34.56 g of another element y to form a compound xy. Calculate the atomic mass of y

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.

The number of grams present in 1.35 mol of Fe is

Which can associate a suspect's gun with a crime?