What is the gram-formula mass of (NH4) 3PO4? (1) 112g/mol (2) 121g/mol (3) 149g/mol (4) 242g/mol

What state of matter is flubber is it a solid, liquid, or gos?

Which of the following statements is true? A. Some chemical reactions release energy, but no chemical reaction can absorb energy. B. Some chemical reactions absorb energy, but no chemical reaction can release energy. C.

A special type of ___relationship in wich one organism feeds on and lives

What are the three most abundant elements found on the earths crust that combine to form minerals

A binary ionic compound is known to contain a cation with 51 protons and 48 electrons. The anion contains one-third the number of protons as the cation. The num - ber of electrons in the anion is equal to the number of protons plus 1.

How many sulfide ions are present in 23.5g of Sb2S3

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g

What two elements make up dihydrogen monoxide?

What did scientists observe using the earliest microscopes