What is the mass in amu of a carbon-12 atom?

The temperature of a liquid is 75k what is the temperature im celsius

How many moles of carbon dioxide will form if 5.5 moles of C3H8 is burned

The activation energy for the reaction in this lab is determined by investigating the effects of temperature on reaction rate. Assuming a negative activation energy, Ea, what effect will increasing the temperature have on the rate constant, k? a.

1.6 moles of phosphorus, P8 reacts with oxygen gas to form tetraphosphorus decoxide. How many grams of P4O10 are formed? P8 + 5O2 - - > 2P4O10

The concentration of calcium ion in a town's supply of drinking water is 0.0020 M. (This water is referred to as hard water because it contains such a large concentration of Ca21.

When conducting an experiment, a scientist should: (a) attempt to test every possibility (b) attempt to control the conditions (c) place no limits on the investigation (c) proceed without specific goals

Can atoms be divided into smaller pieces

How many atoms are in 1.25 moles of calcium acetate, ca (c² h³ o²) ²?

What is a physical change? A change in matter from one form to another without becoming a new substance. A change in matter that results in a chemical reaction. A change in matter that results in the smallest unit of a compound.

You are in the room with several objects, the temperature in the room is 21 celcius, what can you assume about the temperatures of the objects in the room?