Calculate the pH of each of the following strong acid solutions. ( go out to three decimal places) Part A
7.5×10−3 M HBr,
Part B
1.29 g of HNO3 in 400 mL of solution,
Part C
5.00 mL of 0.240 M HClO4 diluted to 57.0 mL ,
Part D
A solution formed by mixing 13.0 mL of 0.120 M HBr with 19.0 mL of 0.210 M HCl.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

Which of the following describes the entropy change as a solution is made from a liquid and solid