The pH of a base is measured. Which of the following is the most likely reading?

52

12

1

7

Balance the following chemical equation (which is for this reaction) and list the number of atoms of each element present before and after the reaction: NaHCO3 + CH3COOH → CO2 + H2O + CH3COONa

Element X reacts with element Y to give a product containing X3 + ions and Y2 - ions. What is the formula of the product? Express your answer as a chemical formula.

Explain why many Lewis acids and bases are not classified as Arrhenius or Brønsted-Lowry acids and bases

If a 1.00M aqueous NaCl solution has a density of 1.01g/mL, what is the concentration in mass percent? 5.79% 58.44% 1.00% 99.0%

The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds. Where should Brenda place this property in her table? only in the column for metalloids

How is DNA linked to a person's inheritance?

Green plants take in water (H2O) and carbon dioxide (CO2) and produce glucose (C6H12O6) and oxygen gas (O2). Calculate the molar masses of carbon dioxide, glucose, and oxygen gas.

Are 3 eggs the same quantity as 3 dozen eggs?

What is an empirical formula? O A. The chemical formula that reveals how the molecule actually exists in nature O B. The chemical formula that is written in terms of percent composition O C.

What part of an original isotope's number of atoms remains after two half lives?