A sample of gas at STP is in a 3.5 L container with a moveable piston. What is the new volume if the pressure is changed to 2.5 atm and the temperature rises to 300. K?

Apackage contains 1.33 lb of ground round. if there’s 29% fat, how many grams of fat are in the round? i got 175 g but the textbook says the answer is 91 g of fat. how?

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?