Which statement accurately describes the origin and expansion of the universe?
as the univers...
Chemistry, 26.08.2019 20:00 kristy2958
Which statement accurately describes the origin and expansion of the universe?
as the universe continues to expand, it gradually gets warmer.
galaxies that are farther away are moving away more slowly.
cosmic background radiation is leftover thermal energy from the big bang.
stars and galaxies formed almost immediately after the big bang occurred.
Answers: 2
Chemistry, 22.06.2019 14:30
What state of matter is ice a. liquid b. element c. solid d. gas
Answers: 1
Chemistry, 22.06.2019 14:30
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
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