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ChemistryChemistry
Guest
Identify the missing numbers below to show the result of dividing the numbers 5.6 x 10^12 / 3.5 x 10^9 = A x 10^B
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ChemistryChemistry
Mia Mata
If you made 6 moles of NO2 How many grams of N2 did you use N2+2O2> 2NO2
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Roy
At what temperature in Kelvin will 0.0965 moles of chlorine exert a pressure of 2.02 atm at a volume of 0.652 L?
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ChemistryChemistry
Allisson Hendrix
How can a mixture of nails and sawdust be most efficiently separated into its component parts? A:By cooling it B:By filtering it C: By using a magnet D:By using a catalyst
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ChemistryChemistry
Moriah Ryan
A 10.0 L balloon contains helium gas at a pressure of 655 mmHg. What is the new pressure, in mm Hg, of the helium gas if the volume is 20.0 L and if there is no change in temperature or quantity? 6550 mmHg 1000 mm Hg 1310 mmHg 300 mm Hg
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ChemistryChemistry
Beasley
Restate Newtons first law in terms of acceleration
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Xavier Vaughan
Electrolysis of 10.0 g of a binary metal chloride deposits 6.207 g of the pure metal. what is the metal?
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ChemistryChemistry
Mira Mclaughlin
Which pair of elements are the most different
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Guest
A gas held at constant volume is heated from - 5 ºC to 50 ºC, if the initial pressure is 1.0 atm, what is the new pressure the gas exerts?
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ChemistryChemistry
Rose Chen
Unknown element x is a metal that ionically bonds to sulfur. is the formula, x3s feasible? why or why not? a) it is feasible. the three metallic ions each receive an electron from sulfur. b) no, it is not feasible. sulfur cannot give three electrons to the metal since the sulfide ion has a - 2 charge. c) no, it is not feasible. the metallic ion x only has one valence electron and the sulfide ion receives two electrons. d) no, it is not feasible. three metallic ions cannot provide the exact number of electrons that one sulfur needs for the ionic bond.
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ChemistryChemistry
Kadence Horne
What is the difference between a period and a group on the periodic table
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ChemistryChemistry
Abigayle Hampton
Oil flows upward in the wick of a lantern because of the liquid property called

A. density.

B. meniscusity.

C. viscosity.

D. capillarity.
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ChemistryChemistry
Roberson
What causes atomic radii to increase within a group on the periodic table?
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ChemistryChemistry
Stephens
Explain why and how adding heat to material will change its density?
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ChemistryChemistry
Josephine Paul
What is the empirical formula of a compound containing 24.56% potassium, 34.81% manganese, and 40.50% oxygen?
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