Chemistry

Chemistry, 16.10.2019 19:20, neilleggon24

Perform the following temperature conversions. round to the same number of significant figures as the original temperature. 135. k-243 72.0°f - 295. 100.c - 672 500. r = 4.63 57.2°c - 135

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Mathematics, 18.07.2019 22:30, spdesch2558

The following data was collected to determine the cooling rate of a new insulation material. the mathematical equation describing the cooling rate for each material is of the exponential form t(t) = tinitiale at t(t) is the temperature of the material at timet tinitial is the temperature at t=0 mins a is the thermal capacity of the material 1. report the equation and correlation coefficient of the best fit straight line for the material. report all values to o significant figures. 2. determine the initial temperature (tinitial) and the thermal capacity (a) of the material. report all values to o significant figures. 3. what is the temperature of the material att 65s. report values to 6 significant figures. 4. according the the given table, the temperature of the material att part 2. should the values be the same? explain. mins (tina) is equal to 326 °c. compare this number to your answer from lo tmins) tc) 326.00 253.00 199.00 157.00 124.00 100.00 80.00 65.00 53.00 44.00 50 36.00

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Physics, 19.08.2019 07:30, hannaboo53

Suppose that at room temperature, a certain aluminum bar is 1. m long. the bar gets longer when its temperature is raised. the length l of the bar obeys the following relation: l=1.+2.4×10−5t, where t is the number of degrees celsius above room temperature. what is the change of the bar's length if the temperature is raised to 11.3 ∘c above room temperature? express your answer in meters to two significant figures.

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Physics, 21.09.2019 01:30, Carly3393

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