Chemistry, 10.09.2019 01:30, brittanyskipper1738
Abiologist wants to know which fertilizer will result in the tallest pea plants. a chemist wants to know how much energy is required to change liquid water into water vapor. a geologist wants to know which type of soil is most permeable to water. a physicist wants to know what type of material reflects the most light.
which of the following methods can best be used by all of these different scientists to answer their individual questions?
a.
performing a controlled experiment
b.
drawing a diagram as a model
c.
using popular magazines as reference materials
d.
taking a survey of their fellow researchers
Answers: 3
Chemistry, 21.06.2019 23:00, carter1809
What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
Answers: 2
Chemistry, 22.06.2019 00:00, reeceslife481
What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container
Answers: 1
Chemistry, 22.06.2019 06:00, nikejose11
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 06:30, noathequeen
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Abiologist wants to know which fertilizer will result in the tallest pea plants. a chemist wants to...
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