Which of the following environmental risks is most likely to lead to digestive health issues?

a. meat contamination

b. air pollution

c. fertilizer use

d. none of the above

125.0 g of an unknown substance is heated to 97.0°C. It is then placed in a calorimeter than contains 250g of water with an initial temperature of 20.0°C. The final temperature reached by the calorimeter is 23.5°C.

After 2.0s, Isabela. was riding her bicycle at 3.0m/s on a straight path. After 5.0s she was moving 5.4m/s. What was her acceleration?

How many moles of O are in 10 moles of KClO3? ... ?

Water is a polar molecule, meaning it carries partial charges (Î' or Î'â€") on opposite sides of the molecule.

Which characteristic is common to all three groups of mammals? They require little or no parental care. They develop partially or fully inside the mother's body. They have long gestation periods. They are always endotherms.

What is the connection between chemistry and synthetic materials?

The density of gold is 19.3 g/cm3. What is the volume of a 575 gram bar of pure gold?

How man kilo-calories of heat are required to raise the temperature of 225 g of aluminum from 20 C to 100 C? 0.59 kcal 3.8 kcal 38 kcal 85 kcal

In the reaction Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq), how many grams of hydrogen gas will be produced from 125.0 milliliters of a 6.0 M HCl in an excess of Mg

An element has an atomic number of 92 and a mass number of 234, how many neutrons are there?