Choose all the answers that apply.
The sun .
creates energy through fusion r...
Chemistry, 05.05.2020 07:21, victoria6929
Choose all the answers that apply.
The sun .
creates energy through fusion reactions
uses its own mass to create energy
creates energy from fission reactions
transfers heat through radiation
is made of hydrogen and helium
Answers: 3
Chemistry, 22.06.2019 17:50, kaylamount
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 23.06.2019 00:30, emilylizbeth12334
Which of the following best describes technology a. something created for only scientists to use b. the method of thinking that scientists use. c. the application of engineering to create useful products. c. a scientific idea
Answers: 1
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