A sample of helium occupies 1.40 L at 0°C and 760 torr. What pressure will the same gas exert in a 0.500 L vessel at 100°C?

What volume is occupied by 0.0100 mole of carbon monoxide at 9°C and 0.973 atm?

The citric acid in a lemon juice sample was neutralized by titration with NaOH solution. If 5.00 mL of lemon juice required 47.8 mL of 0.121 M NaOH for neutralization, what was the molarity of the citric acid in the lemon juice? The reaction is 3 NaOH + H3C6H5O7 → 3 H2O + Na3C6H5O7.

Which of these is the correct name for the structure depicted?​

A chemical reaction resulted in 1.376 g of product, which represented a 78.5 percent yield for the reaction. What is the theoretical yield?

Which of the following is an exothermic process

Consider the hypothetical reaction A + 2 B → AB2. If 2 moles of A and 5 moles of B are placed in a container an allowed to react, how many moles of AB2 will be formed and how many moles of which reactant will remain unreacted?

In which phase of mitosis do chromosomes line up at the center of the cell?

John entered to short one futures contact on S&P 500 index. The futures price was 1000 when he entered his position, and he put down 20% as the initial margin. What’s his return if the level of S&P 500 index becomes 1200 at maturity date? The multiplier of the futures contract is $250.

What are the three best ways to reduce helminth infections?