In a laboratory, you are responsible for your own safety, as well as the safety of your teacher and classmates. true or false

Improper hot holding and improper cooling are both example of

Suppose you need 7.0m of Grade 70 tow chain, which has a diameter of /38" and weighs 2.16/kgm , to tow a car. How would you calculate the mass of this much chain? Set the math up. But don't do any of it. Just leave your answer as a math expression.

What will be the volume of a gas sample at 358 K if its volume at 255 K is 7.4 L?

The average mass of a boron atom is 10.81. assuming you were able to isolate only one boron atom, the chance that you would randomly get one with a mass of 10.81 is

An electronic circuit element consists of 23 mg of silicon. An electric current through the circuit adds heat at a rate of 7.4 x 10-3 J/s.

How many molecules are contained in a 7.20-g sample of dimethylmercury?

Could a nuecles of more than one proton but no nuetron exist? Explain

Which of this is the method by which fire extinguisher works? a) the cut of oxygen supply to the burning substance. b) the reflect away the heat because of there colour and does cool down the burning substance.

Stereoisomers are: Molecules that are coiled into compact and spherical shapes Molecules that release heat and have negative enthalpy changes Molecules with the same molecular formula but differ in the way their atoms are connected.

Is the mass of an atomic nucleus greater or less than the sum of the masses of the nucleons composing it? Why don't the nucleon masses add up to the total nuclear mass?