2C4H10 + 13O2 - --> 8CO2 + 10H2O

What is the mole ratio of butane to carbon dioxide in the reaction shown above?

A. 1:4

B. 2:13

C. 4:5

D. 13:8

How many atoms of chlorine are in 310g of carbon tetrachloride?

From what names do some chemical symbols come from

Where would you expect to find plasma? 1 the atmosphere of stars 2 the atmosphere around lightning bolts 3 the atmosphere around a nuclear explosion 4 the atmosphere around pressurized super-heated water

A component of protein called serine has an approximate molar mass of 100 g/mole. if the percent composition is as follows, what is the empirical and molecular formula of serine? c = 34.95 % h = 6.84 % o = 46.56 % n = 13.

If an ion has a charge of 1-, the ion must have A. More electrons than neutrons. B. More protons than electrons. C. More electrons than protons. D. More protons than neutrons.

If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance?

What is the precipitation reaction of sodium nitrate and lead (II) ?

The factor that affects how easily an electron can be removed from an atom is the A. surrounding atoms. B. temperature of the environment. C. size of the atom. D. structure of the atom.

NaCl in roman numerals

A compound has an empirical formula of C2H6. What additional piece of evidence is needed to determine the molecular formula? a. percent composition of carbon b. mass of the sample c. relative numbers of atoms of each element d.