Adding a catalyst to a reaction has an effect similar to

a. decreasing pressure.

b. increasing temperature.

c. adding water to a reaction.

d. lowering the concentration.

A relationship can be damaged by A. not meeting expectations. B. honest communication. C. exceeding expectations. D. people spending time with one another.

Which term best describes the important lives of information that scientists gather and record during an experiment

How can you determine the valence electrons in an electron configuration?

What is the mass of heavy water, D2O (l), produced when 7.60 g of O2 (g) reacts with excess D2 (g) ?

If the substance entering the cell was in higher concentration inside the cell than outside the cell, what type of transport would be required. Explain your answer A. Active transport B. Passive transport

How is the ocean important to human survival? restate the question

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

What ecosystem is being described in the passage?

In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? a.

How do acids and bases affect the quality of freshwater sources?