Physics, 03.06.2021 04:10 pipo5699

How do you determine the specific heat of a substance? A. Divide the enthalpy change by the change in temperature.
B. Divide the enthalpy change by the product of the mass and change in temperature.
C. Divide the change in temperature by the product of the mass and enthalpy change.
D. Divide the change in temperature by the change in enthalpy.

Answers: 3

Show answers

Another question on Physics

Physics, 22.06.2019 07:40

An object's buoyant force and weight mean the same thing.a. trueb. false

Answers: 2

Answer

Physics, 22.06.2019 08:00

What is the rate of change in a objects position?

Answers: 1

Answer

Physics, 22.06.2019 10:30

If y gets smaller as x gets bigger and y have an relationship?

Answers: 1

Answer

Physics, 22.06.2019 15:30

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Answers: 2

Answer

You know the right answer?

How do you determine the specific heat of a substance? A. Divide the enthalpy change by the change...

Questions

Engineering, 14.09.2019 03:20

Consider a cylindrical nickel wire 2.1 mm in diameter and 3.2 × 104 mm long. calculate its elongation when a load of 280 n is applied. assume that the...

Engineering, 14.09.2019 03:20

Define the stress and strength? a material has yield strength 100 kpsi. a cantilever beam has length 10 in and a load of 100 lbf is applied at the fr...

Engineering, 14.09.2019 03:20

Old-time fire engines sometimes relied on steam power to direct the water to the desired target. in effect, a steam heated boiler was used to supply p...

Engineering, 14.09.2019 03:20

What is the critical radius size of a homogeneous nucleus if the maximum observed undercooling is 40°c below the melting temperature of 660°c? assume...

Engineering, 14.09.2019 03:20

Aconverging-diverging nozzle is designed to produce a mach number of 2.5 with air. a) what operating pressure ratio (preceiver/ptotal) will cause this...

Engineering, 14.09.2019 03:20

An insulated piston-cylinder device initially contains 0.3 m^3 of carbon dioxide at 200 kpa and 27 ∘ c. an electric switch is turned on, and a 110-v s...

Engineering, 14.09.2019 03:20

Ammonia is heated in the evaporator of a refrigeration system from inlet conditions of 10°f, 10% quality, to satu- rated vapor. the pressure remains c...

Engineering, 14.09.2019 03:20

Aclosed rigid tank contains water initially at 10,000 kpa and 520ºc and is cooled to a final temperature of 270° c. determine the final pressure of th...

Engineering, 14.09.2019 03:20

Around steel bar, 0.02 m in diameter and 0.40 m long, is subjected to a tensile force of 33,000 kg. y=e= 2e10 kg/m^2. (modulus).calculate the elongati...

Engineering, 14.09.2019 03:20

Ahas a mass of 7 kg, object b has a mass of 5 lbm, and object c has a mass of 0.5 slug. (a) which object has the largest mass? which object has the s...

Engineering, 14.09.2019 03:20

Any change in the system from one equilibrium state to another is called: a) path b) process c) cycle d) none of the above...

Engineering, 14.09.2019 03:20

Acylindrical specimen of some metal alloy having an elastic modulus of 126 gpa and an original cross-sectional diameter of 4.0 mm will experience only...

Engineering, 14.09.2019 03:20

Consider an adult person standing in a room at 25°c. determine the total rate of heat transfer from this person if the exposed surface area is 1.6 m2...

Engineering, 14.09.2019 03:20

Express the dimensions of (a) force, (b) pressure, (c) energy, and (d) power in terms of primary dimensions....

Physics, 14.09.2019 03:20

What force will give a 40.0 kg grocery cart an acceleraticn of 2.4 m/s^2?...

Physics, 14.09.2019 03:20

For a growing quantity to reach a value 32 times its initial value, how many doubling times are required? a) 4 b) 5 c) 16 d) 8...

Engineering, 14.09.2019 03:20

The weight of 4.4 l of an unidentified incompressible liquid is 57 n. find its density (in kg/m^3, lbm/ft^3 and slug/ft^3), specific weight (in n/m^3...

Engineering, 14.09.2019 03:20

Two closed systems a (4000 kj of thermal energy at 30°c) and b (3000 kj of thermal energy at 40°c) are brought into contact with each other. determine...

Engineering, 14.09.2019 03:20

Atank (initially empty) is attached to a steam line at 70 psia and 600ºf. a valve is opened and the tank is filled until the pressure is 70 psia. howe...

Physics, 14.09.2019 03:20

Calculate the minimum wavelength (λ0) for the continuous spectrum of x-rays emitted when.. a) 30-kv electrons strike a cobalt (co) target b) 60-...

More questions: Physics Another questions