I believe the answer is C
The answer is b because if you’re fan is blowing and you spend it the opposite way, the air will be cooler
Answer:
I remember doing this in 7th,
1. D
2. B or D, more leaning on B though
3. A
Answer:
387 g/mol
Explanation:
The molar mass is a ratio comparing a substance's mass and molar value. The specific ratio looks like this:
Molar Mass (g/mol) = mass (g) / moles
You can plug the given values into the ratio to find the molar mass.
Molar Mass = mass / moles
Molar Mass = 0.406 g / 0.00105 mol
Molar Mass = 387 g/mol