Which of the following is true about acids?

a. Acids give foods a bitter taste.

b. Aqueous solutions of acids conduct electricity.

c. Acids have a pH value greater than 7.

d. all of the above

At what temperature does mercury transition from a solid to a liquid

According to Le Chatelier's principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

In a lava lamp, a waxy substance rises and falls repeatedly. What causes the waxy substance to rise? Check all that apply.

What state in which atoms or molecules are very close together and are regularly arranged

Why is streak useful for identifying minerals?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?

Why scientist form a hypothesis

Step two of the procedure states: "Using sterile technique, place a loopful of inoculum from the M. luteus culture in the drop of nigrosin and mix." Which of the procedures qualifies as sterile technique?