Lab 9 q
If the specijfic heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 86 g of methanol from 27 oC to 64 oC ?
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Lab 9 q If the specijfic heat of methanol is 2.51 J/K-g, how many joules are...
If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 83 g of methanol from 15 oC to 78 oC ?
Part A If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 12 g of methanol from 26°C to 78°C ? IVO AJ o B ? Submit Request Answer
Part A If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 55 g of methanol from 1 °C to 92 °C?
a) If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 87 g of methanol from 4 oC to 99 oC ? b When a 3.78 g sample of solid sodium hydroxide was dissolved in a calorimeter in 150.0 g of water, the temperature rose from 14.5 oC to 45.2 oC . Calculate ΔH (in kJ/mol NaOH) for the following solution process: NaOH(s)→Na+(aq)+OH−(aq) Assume that it’s a perfect calorimeter and that the specific heat of...
please help me with #9 and 10 before 9:30 9. If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 50 g of methanol from 20 °C to 60 °C? 10. When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s) —...
The specific heat of aluminum is 0.900 j/g* C, how many joules of energy required to raise the temperature of 20.0 g of Al from 10.0°C to 15.0°C ? 79 J 90.0 J 100.0 J 112 J
a) A 430 mL sample of water was cooled from 100.0 oC to 30.0 oC . How much heat was lost? b) How many kilojoules are required to change the temperature of 26.5 g of water from 19.8 oC to 29.0 oC ? c) Calculate the final temperature when 10 mL of water at 80 oC are added to 20 mL of water at 25 oC d) A piece of metal weighing 2.00 g at a temperature of 41.0 oC was placed in a calorimeter in 19.10 mL of water...
Question 9 2 pts Ch 15:33 How many Joules of heat are required to raise the temperature of 0.7 kg of water by 22 °C? HINT: Use the equation AT Q. The specific heat capacity of water J is c = 4190 сть kg C
The specific heat capacity of solid copper metal is 0.385 J/gK. How many joules of heat are needed to raise the temperature of a 2.12-kg block of copper from 25.0°C to 88.0°C?
how many joules are required to raise the temperature of 1.074 g of iron from 25.1C to 100.0C ( the specific heat of iron is 0.449 J/g*C)