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Find the new temperature of gold.
A 73.751g piece of gold has a temperature of 23.01oC. What would the new temperature of the gold be is 650cal of heat are added? The specific heat of gold is 0.0310cal/g oC.
Chemistry, Academics
To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP for short). It is a monoprotic acid that can be obtained extremely pure and dried to a constant weigh out 0.556g of ...
2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g) Using standard enthalpies of formation, calculate the standard enthalpy change for this reaction.
Consider two acids HCN and HNO2: HNO2 + H2O NO2- + H3O+ Ka = 5.1 x 10-4 HCN + H2O CN- + H3O+ Ka = 2.1 x 10-9 Which of the following statements is/are true? A ...
A 43 kg person drinks 430 g of milk, which has a "caloric" value ofapproximately 3.0 kJ/g. If only 15% ofthe energy in milk is converted to mechanical work, how high (inmeters) can the person climb based on this energy i ...
Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
Diagonal relationship and anomalous behaviour of the each element of the periodic table
Give an example of when heat is released from water as it undergoes a change of phase.
1. Balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) chloride and sodium hydroxid ...
A student takes 5.0mL of a stock FeSCN2+ solution and dilutes it with deionized water to a volume of 50mL. He then puts the solution in a Spectronic 20 instrument and determines the the % transmittance of the new solutio ...
This experiment involves collecting data for the cooling of water between 175 o -160. o F in different containers. What is 175 o F in celsius? Please report your answer correctly to three significant digits.
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