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2020年5月1日 · $\begingroup$ @Mäßige Yes. It's a cheap setup. Instead, you could have the reaction vessel in a calorimeter heat bath, and either keep the bath temperature constant (isothermal calorimetry) or almost constant (traditional large heat bath).

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2018年3月30日 · Generally, the heat of reaction is given in various books and tables. If given, it will be based on 1 mole Mg reacting with 2 moles of HCl. You will have to make the necessary adjustments for the mole you use. Once you have that, you can use q = mCdeltaT and solve for delta T to get the change in temp.

Wur L. asked • 09/16/18 What is the energy change when the temperature of 12.4 grams of solid silicon is decreased from 38.4 °C to 22.1 °C ?

2021年4月13日 · q = heat in joules or kilojoules, etc. m = mass usually in grams or kilograms. c = specific heat usually in J/g/degree

2019年10月10日 · q = mCdeltaT Look up the specific heat for ice (H2O solid) and plug it in. q = 28.4 g x Cice x 22 deg Easiest if you use Cice in cal. If you use joules, convert the answer as done in the original question, i.e 1 cal = 4.184 J

At 1 atm, how much energy is required to heat 77.0 g of H2O(s) at –10.0 °C to H2O(g) at 157.0 °C? Helpful constants can be found here.

Weston F. asked • 06/01/16 Calculate the amount of heat (in Joules) transferred when you dissolved calcium chloride in water.

2019年5月26日 · a 25.0 g sample of zinc is heated, then placed in a calorimeter containing 65.0 g of water. Temperature of water increases from 20.00 C to 22.50 C.