Chemistry, 18.03.2021 01:10 xxxharveyweinsteinxx
A pine tree seed was produced by self-pollination. How many parents does this seed have?
A. one
B. two
Answers: 1
Chemistry, 22.06.2019 02:30
Based on the equation and the information in the table, what is the enthalpy of the reaction?
Answers: 2
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 06:00
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
A pine tree seed was produced by self-pollination. How many parents does this seed have?
A. one
Mathematics, 20.07.2021 01:40
Mathematics, 20.07.2021 01:40
Mathematics, 20.07.2021 01:40
Mathematics, 20.07.2021 01:40
Mathematics, 20.07.2021 01:40