The product of a + 3 and –2a2 + 15a + 6 is –2a3 + xa2 + 51a + 18. What is the value of
Category: Chemistry
Which row of the chart and which observation would the student complete? row 1. volume decreases as temperature decreases row 1. volume decreases as pressure
Hammond’s postulate describes the relationship between transition state energy and product distribution in a reaction capable of following more than one path. 1. Fill in
3. How much heat does it take to Answer 1 1. 13,500 cal First, we need to find the amount of heat needed to raise
For which of the following reactions is the kp/kc ratio greater than 300 k? Answer 1 A. Ni(CO)4(g) ⇌ Ni(s) + 4CO(g)B. C(s) +2H2(g) ⇌
If we dissolve 25 grams of salt in 251 grams of water, what is the mass of the solution obtained? Answer 1 Overall mass balance:
In the molecule bri, which atom is the negative pole? Answer 1 The BrI molecule is composed of bromine and iodine. The polarity depends on
What synthetic and natural polymers can be used to make yarn or rope?
The chemical formula of an emerald is Be3Al2(SiO3)6. An emerald can be described as Answer 1 The correct statement is a pure substance because it
What value represents the first ionization energy of a nonmetal? a: 497.9 kj b: 577.4 kj c: 811.7 kj d: 1000 kj include an explanation!