A 4-inch, f/5 telescope has a 1-inch eyepiece focal. Its magnifying power is: 0 4x
O 5X
O9X
0 20x

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two