While looking out the window, you see lightening flash and then 3 seconds later, you hear the thunder. How far was the lightening from you?

A. 3,300 ft

B. 3 miles

C. 300 ft

All atoms of an element all have the same number of electrons protons neutrons

Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NaOH.

What units would be used to measure the surface temperature of a planet? (site 2)

How does an atom bomb work simple explanation?

Using the atomic masses and relative abundance of the isotopes of nitrogen given below, determine the average atomic mass of nitrogen. N-14: 14.003 amu; 99.63% N-15: 15.000 amu; 0.37% A) 14.003 amu B) 14.007 amu C) 14.506 amu D) 15.000 amu

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