A student was measuring the ratio of a circle’s circumference and diameter. They found the circumference to be 6.28 cm and the diameter to be 1.8 cm. The actual ratio (circumference divided by diameter) was 3.14. What was their percent error?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next