What do I do if I am hopelessly crushing on someone and I know for a fact that they used to like me ... But probably not anymore? I'm just curious for responses lol.

All of the following are indicators of chemical change except ... a. Change in color b. Production of a gas c. Formation of a precipitate d. All of the above are indicators of chemical change

How do you dilute a concentrated solution? O Add more solution. 0 Add more water. O Add more solute O Add more solvent.

The surface temperature on Venus may approach 751 K. What is this temperature in degrees celcius

The body temperature of humans fluctuates only slightly during the day. This is an example of which characteristic of life?

At 350°c, keq = 1.67 * 10-2 for the reversible reaction 2hi (g) ⇌ h2 (g) + i2 (g). what is the concentration of hi at equilibrium if [ h2 ] is 2.44 * 10-3 m and [ i2 ] is 7.18 * 10-5 m?

Calculate the [h+] in a solution that has a ph of 9.88.

Substance M is a blue, brittle solid. Substance N is a colorless, flammable gas. What can we predict about the compound created when M and N form a covalent bond?

A 275-mL f lask contains pure helium at a pressure of 752 torr. A second f lask with a volume of 475 mL contains pure argon at a pressure of 722 torr.

The temperature of 6.24 l of a gas is increased from 25.0°c to 55.0°c at constant pressure. the new volume of the gas is

Which of the following statements regarding pH is true? Which of the following statements regarding pH is true? A pH of 10 is acidic, and a pH of 3 is alkaline. Buffers accelerate large changes in the pH of a solution.