Chemistry, 19.01.2020 07:31 25jzaldivar
Which of the following statements is never true? a. rectangle is a parallelogram b. trapezoid is a rectangle. c.
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The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?
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Light waves can move through , but they travel fastest when they move through a(n) .
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Chemistry, 22.06.2019 17:50
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
Which of the following statements is never true? a. rectangle is a parallelogram b. trapezoid is a...
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