What is the acetal formed when propanone reacts with two molecules of methanol?

When light strikes a transparent material, most of the light is absorbed or reflected. a. true b. false Is it B?

What do a 12.01 g sample of carbon and 24.3 g sample of magnesium have in common? A. They have the Same density B. Each contains 0.5 moles of particles C. Each contains 6.02 x 10^23 atoms D. They have the same number of valence electrons

Bromine + calcium iodide  calcium bromide + iodine

What can you conclude from the hypothesis "If the temperature of the liquid is increased, then more sugar will dissolve because warm solutions hold more solute that cold solutions"?

3 Which particle has no charge? (1) electron (3) positron (2) neutron (4) proton

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number