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in a hydraulic brake system the master piston has an area of 4 square millimetres and the wheel piston each has an area of 4 square centimetres find the forces applied to the wheel when a force of 10 Newton's is applied on the master piston

asked Aug 15, 2023 in Physics Form 1 by 0781595XXX

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an evacuated flask has a mass of 90.050 grams when filled with gas at STP the plus 2 is 19.121 grams if the volume of the flask was 22.2 centimetres cubed calculate the relative molecular mass of gas-x and suggest is identity

asked Aug 13, 2023 in Chemistry Form 3 by 0715220XXX

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asked Aug 13, 2023 in Chemistry Form 3 by 0715220XXX

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a mass of 5.125 g washing soda crystals are disacsolved and made up to 250 CM3 of solution at 25.07% of the solution required 35.8 CM3 of 0.05 molar sulphuric VI acid for neutralization calculate the percentage of sodium carbonate in the crystals

asked Aug 13, 2023 in Chemistry Form 3 by 0715220XXX

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a 1 gram sample of limestone was allowed to react with 100 CM3 of 0.1 molar hydrochloric acid the excess acid required 24.8 centimetres cubed of 0.1 molar sodium hydroxide solution calculate the percentage of calcium carbonate in the limestone

asked Aug 13, 2023 in Chemistry Form 3 by 0715220XXX

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calculate the molarity of hydroxide ions in a solution prepared by dissolving 2.8 g of sodium hydroxide in enough water to make 1 l of solution

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you are provided with -2.0m sodium hydroxide solution labelled solution B- solution Containing 12.25g per litre of an mineral acid you're required to prepare a dilute solution of sodium hydroxide solution B. Determine the relative formula mass of the acid molar enthalpy change of reaction between acid C and sodium hydroxide solution B

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Find the circle center and radius of equation

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