An isotope of yttrium has 39 protons and 59 neutrons. what is the atomic mass of that isotope?

Given 890.0 mmHg what would be the answer in kPa?

Boyle's Law represents the relationship of volume as pressure changes. The constants of Boyle's Law are: a. pressure and number of molecules of gas b. volume and temperature c. pressure and temperature d. temperature and number of molecules of gas e.

Which is the name of o3?

Calculate the volume of a 1.850 mol gas sample in a closed container that is at a temperature of 22.25oC and a pressure of 225.4 kPa

How would you prepare 3.40 Ã 102 ml of a 0.736 m naoh solution, starting with a 6.79 m stock solution?

Marcus measured the masses and volumes of samples of four different substances, and he calculated their densities. The table shows Marcus's measured and calculated values. Substance Mass (g) Volume (cm3) Density (g/cm3) aluminum 5.7 2.1 2.

5. Rocks and sediment change their form as they move through the rock cycle. Which change involves melting? O lava to rock O magma to lava O rock to magma rock to sediment Submit .

Glucose is a simple sugar made up of a carbon, hydrogen, and oxygen. What kind of molecule is glucose?

Imagine that you have a 7.00 LL gas tank and a 3.50 LL gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.

Which profession is likely to use a radiation shield