Which of the following includes a wedge.

A. axe

B. file

c. bolt

d. hammer

What would happen if the amount of chlorofluorocarbons would suddenly increase and what would happen to the climate?

How many moles of nitrogen, n, are in 65.0 g of nitrous oxide, n2o?

If a 7% saline solution and a 4% saline solution are mixed to make 500 milliliters of a 5% saline solution, how much of each solution, to the nearest milliliter, is needed? A. 167 milliliters of 7% solution and 333 milliliters of 4% solution B.

Determine the empirical and molecular formulas of a compound that contains 56.36% o and 43.64% p and has a molar mass of 284 g/mo

1. How are Cotton, Nylon and Wool different? 2. How are Cotton, Nylon and Wool similar?

What are the elements and number of atoms in the compound c6h12o6?

A molecule has one carbon-carbon double bond and four monovalent atoms or groups. how many different geometric isomers exist for this molecule?

Is oxygen a alkaline earth metal?

What is the ph of 0.20 m nitrous acid at equilibrium (ka = 4.6*10-4) ?

A piece of metal with a mass of 121 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?