Which would increase the reaction rate?

Check all that apply.

A. Raising the temperature

B. Stirring the reaction

C. Raising the activation energy

D. Adding a catalyst

A gas is matter that has a fixed volume and a fixed shape True False

All of the following affect the climate of an area except A. the average yearly rainfall an area gets B. the average days of sunshine C. a cold front that came through D. altitude

A cylinder has a height of 5.3 cm and a diameter of 3.0 cm. What is its volume

James took two pea plants, placing one in a dark closet and the other on a sunny window sill. Both are located in air-conditioned rooms. He then measured the growth of the pea plants after a week.

A spectroscope creates a spectrum, or array of colors, based on the light emitted by a star. How are scientists able to use these colors to determine which elements the star contains?

Write a good scientific question that can be answered by Guadalupe based on what is described above. Label the independent and dependent variable within your question.

Which one is more accurate M1 = 1.0cm + - 0.1cm M2 = 0.10cm + - 0.01cm M3 = 0.100cm + - 0.001cm A. M1 B. M2 C. M3 D. All have same accuracy

What is the name of the group of elements that are human-made and do not occur in nature?

The waters of a lake will be most layered in which season A. winter B. spring C. summer D. fall

a 160kg space vehicle is traveling along a straight line at a constant speed of 800. meters per second. the magnitude of the net force on the space vehicle is