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Matter Unit Scientific Notation

Last updated about 1 year ago
25 questions
1

What happens to a substance during a physical change?

1

Which of these is an example of a physical change?

1

How would you best describe paper tearing: a physical or chemical change?

1

Why can physical changes be reversed?

1

Which of the following is a chemical change?

1

What happens to atoms during a chemical change?

1

Which of the following is not a sign of a chemical change?

1

Why is digestion in humans considered a chemical change?

1

What is the SI unit for measuring temperature?

1

Which of the following is the SI unit for amount of substance?

1

What is the SI unit for time?

1

What is the metric prefix for 1,000?

1

What metric prefix represents 10^-6?

1

If a measurement is given in centimeters, which prefix is being used?

1

Which prefix would be used to represent a billionth?

1

Express the number 300,000,000 in scientific notation.

1

What is the result of (7.5 x 10^6) x (2.0 x 10^2)?

1

Express the measurement 0.00000567 in scientific notation.

1

How would you divide (3.6 x 10^5) by (1.2 x 10^2)

1

How many milliliters are there in a liter?

1

If a gas occupies 1200 cm3 at STP, what is its volume in liters?

1

If a liquid has a mass of 5000 grams, what is its weight in kilograms?

1

A chemical reaction produces 0.3 mol/L of a compound. What is this concentration in mmol/L?

1

How many seconds are in 8 hours?

1

How many grams are in 2.5 kilograms?