Which type of reaction occurs when a high energy particle collides with the nucleus of an atom, converting that atom to an atom of a different element?

(1) addition (3) substitution

(2) neutralization (4) transmutation

Look carefully at Kw expression. If the [H+] changed from [1 x 10-7] to [1 x 10-4], the [OH-] will: A. remain the same B. increase C. decrease

Does brainy work with out Wi-Fi?

We wanted to know how temperature affected the volume of a gas. We investigated this by filling a balloon with air and heating and cooling it, comparing the circumference of the balloon before and after.

What is the pressure of an ideal solution containing. 5 moles of a nonvolatile solute and 300g of ethanol at 40C? The vapor pressure of ethanol is 134 torr at 40C

When 15 grams of copper (II) chloride (CuCl2) reacts with 20 grams of sodium nitrate (NaNO3), 11.3 grams of sodium chloride (NaCl) is obtained. What is the percent yield of this reaction? CuCl2 + 2NaNO3 Cu (NO3) 2 + 2NaCl

A 0.75mol calcium carbonate (CaCO3) pellet has what mass?

The pH of the acid in the stomach is 2. When a person has heartburn, the acid in their stomach is coming up the esophagus (lower throat) and burning the lining of the esophagus. Why would a person take an Alka Seltzer tablet for heartburn?

Calculate the photon energy (in joules) for the light emitted from the hydrogen atom if ninitial = 4 and nfinal = 2.

The distance from one place to another

What is the purpose of a cell membrane