How do we measure the acidity of rain?

Which type of radioactive particle (s) has/have been emitted in the following equation? 214/84 PO - > 210/82 Pb + ? alpha particle only beta particle only alpha and beta particles alpha and beta particles and gamma radiation

A 32.0-g sample of HF is dissolved in water to give 2.0 * 102 mL of solution. The concentration of the solution is:

Which of these substances contributes to soaps slippery texture? - an acid - a base - carbonate - water

A student places a 12-gram cube of ice inside a container. After six hours, the student returns to observe the contents of the container. Which sentence suggests that the container is an open system? A.

One bit of evidence that the present theory of atomic structure is "correct" lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit paramagnetism.

A metal block has a mass of 122 grams and measures 2cm x 2cm x 4cm. What is the density of the block?

What are valency and radicals

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?