Mathematics, 05.01.2023 20:30, babymiche829
The mass of a hydrogen atom is 1.67 × 10-24 grams.
The mass of a carbon atom is 1.99 × 10-23 grams.
A molecule of methane contains 4 atoms of hydrogen and 1 atom of carbon.
a) Calculate the mass of one molecule of methane
Give your answer in standard form.
b) Calculate the number of molecules in 1 gram of methane.
Give your answer in standard form to 3 significant figures.
Answers: 3
Mathematics, 22.06.2019 01:30, 24kfjkasklfjl
Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13
Answers: 2
Mathematics, 22.06.2019 02:30, ladypink94
P= price tax is 4% added to the price. which expression shows the total price including tax?
Answers: 3
The mass of a hydrogen atom is 1.67 × 10-24 grams.
The mass of a carbon atom is 1.99 × 10-23 grams...
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