04/29/20

Find all exact solutions on the interval [0, 2π). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) sin^3(t) = sin(t)
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04/22/20

Calculating K from Free Energy Equation
The reaction 2H(g) + O(g) → 2HO(g) is used to fuel some liquid-propellant rockets. Although it has an unfavorable change in entropy (ΔS = −88.84 J/K), it is very exothermic, with a negative... more
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04/22/20

If the probability of an event not happening is 34 67 , what is the probability of the event happening?

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04/22/20

What volume of 1.53 M KMnO4 , in liters, contains 164g of solute? Volume=___ L
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04/22/20

A windowpane is 48 inches by 36 inches. What is the distance between opposite corners of the windowpane?
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04/22/20

What mass of calcium chloride, CaCl2, is needed to prepare 2.85 L of a 1.56 M solution?

What mass of calcium chloride, CaCl2, is needed to prepare 2.85 L of a 1.56 M solution? 316 grams203 grams493 grams25.0 grams
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05/19/15

Three high school physics problems please help!
1. The Milky Way contains a supermassive black hole with mass of 4 million times the Sun(!). a. If the black hole is 2.4x10^20 away from Earth, calculate the gravitational force between the black... more
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