Calculate the cost of gasoline for a 420-mile trip if your car averages 20 miles/gallon of gas, and the gas cost $0.95/gallon.

Which best defines nitrogen fixation

Are they ionic compound, covalent compound, or acid -pb (BrO3) 2 -P4O10 -BaBr2 -zn (C2H3O2) 2 -Cul -Kc103 -H3PO3 -Pcl5 -HBrO4 - Al2 (CO3) 3 - Na2S2O3 - Hg2Cl2 - Cs2O2 -Sn3 (PO3) 2

Where do the OH - ions go as additional acid is added? 1. they evaporate. 2. They combine with excess H + ions to form more water. 3. They remain in solution at the same concentration. 4. They remain in solution but change concentration.,

The __ describes the steps you use during an experiment?

Which represents the balanced nuclear equation for the beta minus decay of Co-60? Superscript 60 subscript 27 upper C o right arrow superscript 60 subscript 26 upper F e plus superscript 0 subscript plus 1 e.

4.05 kg + 567.95 g + 100.1 g add the correct value using the correct sig figs and or least precise degree of precision. When i did least degree of precision i got 4718.

Dinitrogen pentoxide gas is formed by the reaction of nitrogen trioxide gas and nitrogen dioxide gas balanced equation

In an experiment to test a new drug's effectiveness, one group is given a larger dosage than is typically prescribed, and a second group is given a smaller dosage than is typically prescribed.

Waves move out through the ground from the source of an earthquake. True or false

The 14C content of a wooden harpoon handle found in the remains of an Inuit encampment in western Alaska is 61.9% of the 14C content of the same type of wood from a recently cut tree. How old is the harpoon?