Questions asked by Katelyn Z.
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How do you write an equation showing how HCl, which is a molecular substance and strong acid, could give ions when added to water?
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What type of joint is the epiphyseal plate?
A. synostosis
B. syndesmosis
C. symphysis
D. synovial
E. synchondrosis
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Substances with non-polar molecules are usually insoluble in water. How is this behavior on the basis of intermolecular forces?
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What sort of molecules could easily cross the non-polar region occupied by the tails of the two layers of a phospholipid?
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What is a catalyst?
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If an acid is added to water, what would be the expected direction of the change in the pH of the water?
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A sample of carbon dioxide gas at a pressure of 1.07 atm and a temperature of 166 °C, occupies a volume of 686 mL. If the gas is heated at constant pressure until its volume is 913 mL, the temperature of the gas sample will be ? °C.
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A 5.00 mL sample of a solution of KCl (Mwt=74.6 g/mol) in water (Mwt=18.01 g/mol) weighs 5.20 g. The water is evaporated off leaving 0.26 g of residue. What is the mass of solution that would contain 1.00 g of KCl?
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What is a heterogeneous reaction?
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What would the balanced reaction between nitrogen and hydrogen (at atmospheric pressure and room temp)?
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How many moles of calcium phosphate are in 1.0 x 10-3 g calcium phosphate? a) 0.310 b) 0.008 c) 8 d) 1.94 x 1018 e) 3.22 x 10-6
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What is the formula for barium acetate?
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What is the formula for iron(III) cyanide ?
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What is the partial pressure of #"O"_2# in air at #"1 atm"# given that #21%# of air molecules are #"O"_2# ?