Deoxyribonuleic acid stores the gene codes? true or false

What two kinds of energy are associated with flames

How many moles of methane are in 7.31*10^25 molecules

Water molecules are polar with ends that exhibit partial positive and negative charges. such opposite charges make water molecules attract each other through which type of bonds?

An atom of potassium with a mass number of 40 is known as K-40. Use the periodic table to determine how many neutrons are present in an atom of K-40. Type the correct answer in the box. Use numerals instead of words. One atom of K-40 has neutrons.

What is the number of moles and the mass of Mg required to react with 7.50g of HCl and produce MgCl2 and H2? 1.25 g 2.50 g 5.00 g

How many carbon atoms will be in the longest chain of 3,3,4,4-tetramethylhexane? How many sub-chains will there be in 3,3,4,4-tetramethylhexane?

What conditions make for a weak volcanic eruption?

Recording station x has determined that the epicenter of a recent earthquake was 250 km away. no information is available yet from any other recording stations. what can you conclude about the location of the epicenter?

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

Consider the reaction cacn2 + 3 h2o → caco3 + 2 nh3. how much nh3 is produced if 187 g of caco3 are produced? 1. 2.13 mol 2. 63.6 mol 3. 3.74 mol 4. 36.1 mol 5. 1.06 mol 6. 72.3 mol