subject
Chemistry, 13.10.2020 19:01 isobelbunney

Dhdjdhdjwjwnwisidjdnswnsjsjsksk


PLEASE HELP!!!
Dhdjdhdjwjwnwisidjdnswnsjsjsksk

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 14:30
How many molecules are in 6.0 moles of methane
Answers: 1
question
Chemistry, 22.06.2019 14:50
Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.
Answers: 2
question
Chemistry, 22.06.2019 23:00
What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?
Answers: 1
question
Chemistry, 23.06.2019 13:30
The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)→h2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 °c .) what mass of hydrogen gas is collected? answer in appropriate significant figures
Answers: 3
You know the right answer?
Dhdjdhdjwjwnwisidjdnswnsjsjsksk
...
Questions
question
Health, 26.10.2020 16:10
question
Mathematics, 26.10.2020 16:10
Questions on the website: 13722362