Electromagnetic waves that are harmful to living things are

A. high energy waves or

B. both high energy and low energy waves

When a nucleus has too many protons it can be absorb an electron and create

How can you cause a physical change?

3.15 g of an unknown gas at 35 °C and 1.10 atm is stored in a 1.85-L flask. What is the density of the gas? what is the molar mass of the gas?

9. Determine the number of protons, neutrons, and electrons in one 'H' ion. Explain how you found your answer.

Consider the reaction between 50.0 ml liquid methanol, ch3oh (density 0.850 g/ml), and 22.8 l o2 at 27c and a pressure of 2.00 atm. the products of the reaction are co2 (g) and h2o (g).

What volume of carbon dioxide measured at STP will be formed by the reaction of 1.42 mol of oxygen with 0.900 mol of ethyl alcohol?

Substance A and substance B were dissolved in two separate 100 mL beakers of water, which each started at a temperature of 25.1°C. The mixtures' temperatures were measured and recorded as shown in the table below. Substance Initial Temp. Final Temp.

Jaina just got home from a difficult workout. She is complaining of muscle soreness and cramps. Which waste product of fermentation caused the soreness and cramps?

Balance equation C5H10+O2=CO2+H2O

The Scott Test is used when which drug is suspected?