Cigarettes contain many chemicals. Which of the following chemicals is the addictive component to cigarettes?

a. tar

b. nicotine

c. carbon dioxide

d. carbon monoxide

In 4.0 years, 40.0 kilograms of elemnt a decays to 5.0 kilograms

The amount of kinetic energy an object has depends on itsAn object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula:) 7.5 kg 15 kg 60 kg 120 kg

1. Is the following nuclear equation balanced? (pic below) yes no 2. What kind of radiation is emitted in the following nuclear reaction? (pic below) alpha beta gamma positron 3. In the following reaction, what element is made? 4.

If the volume of two containers stays the same, and one containers temperature is lowered, what happens to the pressure in the cooler container?

Which of the schematic drawings best describes a solution of li2so4 in water (water molecules not shown for simplicity) ?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda