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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Amanda pushes a box across the room with a force of 30 n. it accelerates at 5 m/s/s. what is the mass of the box? * 6 kg 1.16 kg 30 kg 5kg
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0.070g of hydride of carbon occupies 56cm^3 at s.t.p when vaporized and contained 14.29% by mass of hydrogen.what is the formula for the hydrocarbon
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Complete the following chemical formula and determine the final molarity of NaCl:
__ BaCl2(aq) + __...
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