If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change? The specific heat capacity of gold is 0.128 J/g°C. Express your answer using two significant figures.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A:

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Interpretation- specific heat of aluminum Concept introduction- Specific heat- It is the amount of…

Q: A chemist carefully measures the amount of heat needed raise the temperature of a 488.0 g sample of…

A:

Q: If the temperature of a 95.00 g sample of Iron started at 36.0°C and ended at 58.0°C, how much heat…

A: Solution:    Specific heat is defined as the amount of heat required to raise the temperature of a…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.85 kg sample…

A: Given: Mass of sample = 0.85 Kg = 850 g                              (Since 1 Kg = 1000 g) Initial…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 480.0 mg sample…

A: Given: Mass of mercury=480.0 mg=0.4800 g Temperature change, ∆T=(48.8+273)-(35.2+273)=13.6 K Heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 385.0 g sample…

A:

Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of coffee at…

A:

Q: How much heat, in units of Joules, is needed to warm 667.7 g of copper from 17 °C to 59 °C? The…

A:

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: The heat is related to mass, temperature change, and specific heat of a substance as: q=mc∆T

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 333.0 g sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 221.0g sample…

A: Specific heat capacity: The amount of heat required to increase the temperature of one gram of a…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 273.0 g sample…

A:

Q: Question is attached

A: Specific heat, ratio of the quantity of heat required to raise the temperature of a body one degree…

Q: 4 PCI3(g) + 1207 kJ → P4(s) + 6 Cl2(g) A) Endothermic, heat is produced B) Endothemic, heat is…

A: Given, a chemical reaction as follows,4PCl3(g)+1207 kJ→P4(s)+6Cl2(g)we are asked to classify the…

Q: The specific heat of Uranium is 0.12 Joules / Uranium x Celcius. Convert the specific heat of…

A: Given :  Specific heat of  uranium = 0.12 Joules / gram x Celsius

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.51 kg sample…

A: Given :-  heat needed to raise the temperature of substance i.e. q = 74.5 kJ  mass of substance =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 212.0 g sample…

A: • The values provided in the question are:-  i) Mass of a substance, m = 212.0 g  ii) Initial…

Q: 2. When 39.0 grams of silver are cooled from 80.0°C to 63.0°C, 159 joules of heat are released.…

A: Specific heat:The amount of heat required to increases the temperature of the 1 g of the substance…

Q: A sample of water with a specific heat of 4.186 joules/gram is cooled from 45 degrees celsius to 25…

A: Given that, specific heat of water = 4.186 joules/(gram.oC) And the sample of water is cooled from…

Q: A piece of metal with a specific heat of 0.57 J g-1°C-1 at 1188 °C is dunked into a beaker…

A: Given,  Mass of water = Volume × density      = 369.7 × 1 = 369.7 g Heat capacity of metal(sm) =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.50 kg sample…

A:

Q: A 489.9 gram sample of aluminum is initially at 25.7 C. It absorbs 38.27 kJ of heat from its…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

A: Specific heat capacity is the amount of heat required to raise the temperature of a substance by 1…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

A:

Q: When 435 J of heat is added to 3.4 g of olive oil at 21 o C, the temperature increases to 85 o C.…

A: Given: q=435 J of heat absorbed by the substance.m=3.4g of olive oil To Solve: Specific heat…

Q: What is the mass of a piece of iron that releases 212.32 joules of heat as it cools from 89.65…

A:

Q: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: 67.3 g sample metal with specific heat of 0.246 J/g degrees celsius is heated by 1693 J of energy.…

A: Given data: Mass of metal (m) = 6.3 g, Specific heat of metal (c) = 0.246 J/g o C, Energy (E) = 1693…

Q: What is the specific heat capacity of iron (in J/(g°C)), if 51.5 J is required to raise the…

A: We will calculate specific heat

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 663.0 mg sample…

A: Given Mass = 663 mg = 663 x 10-3 g Heat = 12.8 J T1 = 0°C T2 = 21.4°C

Q: A. HEAT Initial Temperature of Metal A Final Temperature of Metal A 89.67 °C 21.50 °C 4.70 grams…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 142.0 g sample…

A: Given :-  Amount of heat needed = 11.7 kJ  Mass of substance = 142.0 g  Initial temperature = 51.2°C…

Q: In the laboratory a student finds that it takes 62.4 calories to increase the temperature of 15.0…

A: Given :-  Heat absorbed = 62.4 cal  Mass of Mg = 15.0 g  Initial temperature = 20.9 oC  final…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

A: Given, mass of a sample,m = 446.0 mg = 446.0×10-3 g The temperature rise from T1 = -3.8 oC  T2 =…

Q: If 52 J of heat is added to an aluminum can with a mass of 29.1 g, what is the temperature change?…

A:

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water with…

A: Given, The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed…

Q: In the laboratory a student finds that it takes 48.7 calories to increase the temperature of 11.6…

A: Using formula of specific heat capacity and by putting values given we have solved this problem.

Q: Question 98

A: The specific heat capacity of Aluminium is 0.9 J/gm K And since the temperature in K is given by…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

Q: If the specific heat of a ceramic cup is 0.583 J/(g °C), how much heat (in J) is required to raise…

A: To calculate heat energy, we have to use the formula : Q = m*s*Δt        ------(1) where, Q is heat…

Q: If 57 J of heat is added to an aluminum can with a mass of 25.0 g, what is the temperature change?…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 399.0 g sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 191.0 g sample…

A: Thermochemistry is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: 9. You combine some coffee (at 96.5°C) and 18.5 mL of milk (at 4.3°C), and the final temperature is…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 799.0 mg sample…

A:

Q: chemist carefully measures the amount of heat needed to raise the temperature of a 312.0 g sample of…

A: