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What pressure will be exerted by 8.00 grams of helium in a 5000. L flask at 250C? 39.1 atm 0.00978 atm 48.9 atm 9.79 atn None of the above For which substance is hydrogen bonding important? sodium hydride hydrogen peroxide methane nickel (II) hydride butane (C4H10) Which of the following cannot function as a Bronsted-Lowry base? OH¯ NH3 CH3NH2 CH4 I¯ Sodium sulfate is allowed to react with an aqueous solution of barium chloride. How many grams of sodium sulfate are required to produce 0.45 g of sodium chloride? 0.55 g b. 0.45 g c. 1.1 g d. 0.46 g e. none of the above How many p orbitals can exist in a single subshell? 1 b. 2 c. 3 d. 6 e. not enough information How many electrons, protons and neutrons, respectively, are in 60Ni 2+ ? 26, 28, 32 28, 28, 32 32, 28, 26 26, 28, 28 32, 28, 26 A balloon is inflated to 344 mL at a temperature of 55°C. The volume of the balloon decreases to 214 mL when placed in a refrigerator. What is the temperature of the refrigerator? 88°C 88 K 204 K 34°C 55°C What is the percent composition of oxygen in barium chlorate? 31.6% 15.8% 5.26% 21.7% 19.2% Which of the following has the lowest boiling point, based on structure, polarity, molar mass and bonding? methane carbon tetrafluoride carbon tetrachloride carbon tetrabromide carbon tetraiodide A detergent labeled “mild” has a pH of 7.80. What is the hydroxide ionconcentration in this detergent? 6.31 x 10-7M 1.6 x 10-8M 1.58 x 10-8M 4.9 x 10-7M 6.3 x 10-7M A 25.00 mL sample of calcium hydroxide was titrated with 12.76 mL of 0.0199 M hydrochloric acid. What Read More …
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What pressure will be exerted by 8.00 grams of helium in a 5000. L flask at 250C? was first posted on January 12, 2020 at 8:57 pm.
What pressure will be exerted by 8.00 grams of helium in a 5000. L flask at 250C? was first posted on January 12, 2020 at 9:08 pm.
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