Which element is undergoing reduction?

1 Ag

2 Ag+

3 Pb

4 Pb+2

4.00 L of a gas is known to contain 0.975 mol. If the amount of gas is increased to 3.80 mol, what new volume will result? (Avogadro's Law)

What is occurring on the atom level that causes grain boundaries, twin boundaries, and phase boundaries to exist?

A 25% brine solution was mixed with an 18% brine solution to produce a 20% brine solution. how much of the 25% solution and how much of the 18% solution was used to produce 28 l of the 20% solution

Most reactions give off energy in the form of heat and are called what

The principle of conservationof mass states that in achemical reaction, the totalmass of the reactants is

Why did we change our understanding of where life comes from?

If the theoretical yield of the reaction below corresponds to 25.3 g and the percent yield of the reaction is known to be reproducibly 81.1%, calculate the actual yield. Given: Li2O + H2O → 2 LiOH

A 2.6 kg rat needs to be dosed w / insulin. dosage is 10mg insulin/kg body weight. Given that concentration is 90mg/ml, how many microliters needed to dose rat?

Which is a characteristic of colloids? are homogeneous mixtures have large dispersed particles will settle out over time are made up of at least two substances

4nh3+5o2-->4no+6h20 What is the total number of moles of h2o produced when 12 mole of nh3 is completely consumed?