Table of Contents
- 1 How many calories are required to raise the temperature of a 35g sample of iron?
- 2 How many calories are required to raise the temperature of a 35?
- 3 How many calories are required to raise the temperature of 225 g of water from 42 C to 75 C?
- 4 How many calories are needed to increase the temperature of 13 g of alcohol?
How many calories are required to raise the temperature of a 35g sample of iron?
This tells you that in order to increase the temperature of 35.0 g of iron by 1∘C , you need to provide it with 3.78 cal of heat.
How many calories are required to raise the temp?
The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gram of water 1° Celsius. Since 1925 this calorie has been defined in terms of the joule, the definition since 1948 being that one calorie is equal to approximately 4.2 joules.
How many calories of thermal energy are required to raise the temperature of 200 g of water from 30 C to 35 C?
It’s about 25 kJ – make sure you’re consistent in your units.
How many calories are required to raise the temperature of a 35?
The governing equation is Q = mC(Tf – Ti) so, plugging in the numbers: Q = (35g)(0.108 cal/g °C)(35°C – 25°C) = 37.8 calories.
How much energy in calories must be transferred to 50 g of water to raise its temperature by 100 C?
Since the specific heat of water is 1.00 cal/g-oC, that means that 1.00 calorie is needed to raise 1g of water 1oC. Thus, it would take 50 x 1.00 calories to raise 50g up 1oC and 100 x 50 x 1.00 = 5000 cal to raise the water to its boiling point.
How many calories are required to raise the temperature of 150 g of gold from 25 C to 175 C?
41) How many calories are required to raise the temperature of a 150. g sample of gold from 25 °C to 175 °C? The specific heat of gold is 0.0308 cal/g °C. Ans:- D) 693 cal.
How many calories are required to raise the temperature of 225 g of water from 42 C to 75 C?
Approx. 30⋅kJ .
How many calories are needed to increase the temperature of iron?
Now, you can use the specific heat of iron to figure out the amount of heat needed to increase the temperature of 35.0 g of iron This tells you that in order to increase the temperature of 35.0 g of iron by 1∘C, you need to provide it with 3.78 cal of heat.
How to calculate the specific heat of iron?
J of heat are applied to 10. g of iron, by how much will the temperature of the iron increase? The specific heat of iron is 0.45 J/g oC. ∆t = q / m c. ∆t =50. J / 10.g • 0.45 J/g oC = 50 J g oC = 11 oC 10.g • 0.45 J 3. Calculate the amount of energy required (in calories) to heat 145 g of water from 22.3 oC to 75.0 oC.
How many calories are needed to increase the temperature of 13 g of alcohol?
Chemistry 1 110 — Chapter 3 — Enerw and Matter — Practice Problems 35) How many calories are required to increase the temperature of 13 g of alcohol from 1 1 oc to 23 oc? The specific heat of alcohol is 0.588 cal/ g 0 C.
What is the specific heat of copper and silver?
Chemistry 1 110 — Chapter 3 — Enerw and Matter — Practice Problems 39) The specific heat of copper is 0.0920 cal/g 0 C, and the specific heat of silver is 0.0562 cal/ g 0 C. If 100 cal of heat is added to one g of each metal at 25 0 C, what is the expected result?