In the lab, you analyze a substance to consist of 52% zinc, 9.6% carbon, and 38.4% oxygen. what is the empirical formula?

The balanced chemical reaction for the decomposition of trinitrotoluene (TNT) is 2 C7H5 (NO2) 3 (s) → 7 C (s) + 7 CO (g) 3 N2 (g) + 5 H2O (g) If one mole of TNT decomposes, how many total moles of all products are formed? a. 1 b. 2 c. 11 d. 22 e. 44

Provide the atomic mass an ion contains 16 protons, 17 neutrons and 18 electrons

The molecule below contains both an aldehyde and a ketone functional group. select only the carbonyl carbon atom of the aldehyde functional group. identify the carbon atom by selecting the atom and assigning it a map number of 1.

How many orbitals are there in the third shell (n=3) ?

What is the simplest way for phosphorus to gain a stable octet? Lose 3 electrons Gain 3 electrons Lose 5 electrons Gain 5 electrons

A precipitate of zinc hydroxide can be formed using the reaction below. ZnCl2 (aq) + 2 KOH (aq) → Zn (OH) 2 (s) + 2 KCl (aq) If excess KOH is used, the zinc hydroxide will form zincate ions and dissolve in the solution according to the chemical

Which of the following is the correct (unbalanced) equation for the reaction that takes place when solid phosphorus combines with oxygen gas to form diphosphorus pentoxide? A. P (s) + O2 (g) - -> P2O5 (s) B. P2O5 (s) - -> P2 (s) + O2 (g) C.

Nonrenewable resources are natural resources that are limited in supply and cannot be replaced as quickly as they are used up. True or false

Which method for treating arthritis is an example of pseudoscience? diet drugs exercise magnets

Only a small portion of the organisms that lived in the geologic past have been preserved as fossils. Which condition best increases the chance that an organism will become fossilized?