Chemistry, 07.11.2021 09:40, desireawhatspoppin
A 3.45 g sample of an unknown gas at 45 ∘C and 1.05 atm is stored in a 1.45 L flask.
What is the density of the gas?
What is the molar mass of the gas?
Answers: 2
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Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
Answers: 3
Chemistry, 23.06.2019 09:30, Dariana123
Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.
Answers: 1
A 3.45 g sample of an unknown gas at 45 ∘C and 1.05 atm is stored in a 1.45 L flask.
What is the d...
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