What is the main factor that prevents the growth of tropical plants in the northern part of the us

A student collects 625 mL of oxygen at a temperature of 24°C and a pressure of 0.899 atm. How many moles of oxygen did the student collect?

A student blows up a ballon and then places it in a very cold freezer the ballon shrunk after hours why?!

How much potential energy does a 15kg branch have if it 4.5 m above the ground?

Earnest Rutherford discovered that the nucleus is this

An atom has 10 protons, ten neurons and ten electrons. What is the mass of that atom in u unit?

In the second step of this reaction, isocyanic acid reacts to form melamine and carbon dioxide: HNCO (l) →C3N3 (NH2) 3 (l) + CO2 (g) Balance this reaction and enter the coefficients below.

If the Kelvin temperature of a gas is tripled and the volume if doubled, the new pressure will be ___. A. 3/2 the original pressure B. 1/6 the original pressure C. 5 times the original pressure D. 2/3 the original pressure the answer isnt b or c

To squeeze gas into a smaller space

What kind of solution would have a Kb value much greater than 1? A. a weakly acidic solution B. a strongly basic solution C. A strongly acidic solution D. A weakly basic solution

Zoom all the way in to Daphne Major. Describe its appearance in two sentences.