A 2.74 g sample of a substance suspected of being pure gold is warmed to 72.1 °C and submerged into a 15.2 g of water initially at 24.7 °C. The final temperature of the mixture is 26.3 °C. What is the heat capacity of the unknown substance? Could the substance be pure gold?
A 2.74 g sample of a substance suspected of being pure gold is warmed to 72.1 °C and submerged into a 15.2 g of water i...
need help 18. (1 point) A 2.74 g sample of a substance suspected of being pure gold is warmed up to 72.1 °C and submerged into 15.2 g of water initially at 24.7°C. The final temperature of the mixture is 26.3°C. What is the heat capacity of the unknown substance? Could the substance be pure gold, which has a specific heat capacity of 0.128 J/g°C? 21. (1 point each) Use standard enthalpies of formation (in Appendix G in text) to...
A 2.69 g sample of a substance suspected of being pure gold is warmed to 72.6 ∘C and submerged into 14.4 g of water initially at 24.9 ∘C. The final temperature of the mixture is 26.8 ∘C. (Assume that the specific heat capacity of water is 4.184 Jg−1∘C−1.) What is the heat capacity of the unknown substance?
Apps CHEM134F19-004 HW on Ch 6 Exercise 6.70 A2.37 g sample of a substance suspected of being pure gold is warmed to 71.8 "C and submerged into 15.6 g of water initially at 24.2 C. The final temperature of the mixture is 27.0 ° C. Part A What is the heat capacity of the unknown substance? Express your answer using two significant figures. VAED ? J/g. c Submit Request Answer Part B Could the substance be pure gold? yes no
What is the heat capacity of the unknown substance? Express your answer using two significant figures. Constanta Perlodic Table A 2.55 g sample of a substance suspected of being pure gold is warmed to 71.8 °C and submerged into 15.5 g of water initially at 24.8 °C. The final temperature of the mixture is 26.4 °C Submit Part B Could the substance be pure gold? O yes O no Submit
We submerge a 32.6-g copper weight, initially at 71.5 ∘C into 64.1 g of water at 23.0 ∘C in an insulated container. What is the final temperature of both substances at thermal equilibrium? A 3.00-g sample of a substance is warmed to 83.7 ∘C and submerged into 15.2 g of water initially at 23.7 ∘C. The final temperature of the mixture is 25.4 ∘C. What is the heat capacity of the unknown substance?
1. A 31.6 g wafer of pure gold initially at 69.4 ∘C is submerged into 63.8 g of water at 27.7 ∘C in an insulated container. What is the final temperature of both substances at thermal equilibrium? 2.Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.04 gand its initial temperature is 21.0 ∘C . The mass of substance B is 25.5 gand its initial temperature is...
A 31.1 g wafer of pure gold, initially at 69.3 °C, is submerged into 64.2 g of water at 27.8 °C, in an insulated container. What the final temperature of both substances at thermal equilibrium?
A 31.7 g wafer of pure gold initially at 69.9°C is submerged into 63.0 g of water at 26.9 °C in an insulated container. Part A What is the final temperature of both substances at thermal equilibrium?
A 31.3 g wafer of pure gold initially at 69.9 ∘C is submerged into 63.6 g of water at 26.7 ∘C in an insulated container. What is the final temperature of both substances at thermal equilibrium?
A 31.6 g wafer of pure gold initially at 69.7 ∘C is submerged into 63.5 g of water at 27.1 ∘C in an insulated container. What is the final temperature of both substances at thermal equilibrium? Express your answer using three significant figures.