Modules 1-7 review problems module 1 1.) what is the volume of 60.0 g of ether if the density of ether is 0.70 g/ml? 2.) what is the density of 50.0 ml of a substance that has a mass of 25 g? 3.) list each as being a physical change or a chemical change: butter melting, butter burning, sugar dissolving in water, a sandwich getting digested. 4.) list each as being a physical or a chemical property: copper sulfate is blue, iron is a solid, water melts at 0oc, gasoline is flammable, magnesium reacts with acid, salt is soluble in water. 5.) correctly match the terms listed on the left with the substances listed on the right. more than one term may be used for each substance. a. element mg

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

the answer your looking for is c).