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Question- It is found that 252J of heat must be absorbed to raise the temperature of 50.0 g of nickel from 20.0C to 31.4C. Calculate the specific heat of nickel?
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22.8 g of an unknown molecular solute is dissolved in 4.28 moles of 1,2-ethanediol (C2H6O2), causing the freezing point of 1,2-ethanediol to decrease by 1.08 °C. Calculate the molar mass of the solute. For 1,2-ethanediol ...
How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g C) absorbs 0.80 cal of heat energy?
a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...
A 1.000 g sample of copper metal is heated in a crucible and after 15 minutes themass of the crucible contents is 1.111 g. Calculate the mass of copper (II) oxide that was produced.
Predict whether a precipitation reaction will occur in the following situations. If a precipitation reaction occurs, enter the balanced chemical equation for the reaction. NiCl2(aq)+(NH4)2S(aq)→ AgNO3(aq)+CaBr2(aq)→
A decompression chamber used by deep-sea dives has a volume of 10.3 m 3 and operates at an internal pressure of4.5atm. What volume, in m 3 would the air in the chamber occupy if it were at 1 atm pressure, assuming no t ...
What is the differene between sodium chloride versus sodium chlorite
Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...
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