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melomori [17]
2 years ago
12

Titanium's specific heat capacity is 0. 523 j/g*k. how many joules of heat are required to raise the temperature of 2. 50g of ti

tanium from 65. 0°c to 600. 0°c?
Physics
1 answer:
ad-work [718]2 years ago
7 0

The amount of heat required to raise the temperature is 706.05J.

To find the answer, we need to know more about the specific heat capacity.

<h3>How to find the heat required to raise the temperature?</h3>
  • Specific heat can be defined as, the amount of heat needed to increase a substance's temperature by one degree for every gram.
  • We have the expression for amount of heat required to raise the temperature from T1 to T2 as,

                                 Q=msΔT

  • We have given with the following values,

                 m=2.50g=2.50*10^{-3}kg\\s=0.523 J/gK=\frac{0.523}{10^{-3}} J/kgK=523J/kgK\\T_1=65^0C=338K\\T_2=600^0C=873K\\

  • Thus, the amount of heat required to raise the temperature is,

            Q=2.5*10^{-3}*523*(873-333)=706.05 J

Thus, we can conclude that, the amount of heat required to raise the temperature is 706.05J.

Learn more about the specific heat capacity here:

brainly.com/question/18798150

#SPJ4

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Describing motion verbally with distance and displacement
Dima020 [189]

Answer: Distance is the actual position traveled by an object. Displacement is the shortest distance covered by the object.

Explanation:

Distance is the actual length covered by an object from one position to another. It is a scalar quantity. It cannot be negative.

Displacement is the shortest distance covered by the object. The displacement can be calculated by subtracting initial distance from the final distance. It is vector quantity. The displacement covered by an object can be zero, negative and positive.

Suppose, the boy travels from home to school then come back to his home. The distance between from his home to his school is 3 km.

In this case, the boy covers the total distance from home to school then to home is 6 km. But the displacement is zero because he comes to same position.

7 0
3 years ago
If Earth's mass was cut in half, what would happen to your mass? Group of answer choices
Alex777 [14]

Answer:

nothing, mass is not affected by gravitational force

Explanation:

Weight is the gravitational force a planet exerts on a mass on the surface.

It is the product of the mass of an object with the gravitational acceleration that the planet produces.

The weight is the gravitational force

W=mg

where,

m = Mass of the object

g = Acceleration due to gravity = 9.81 m/s²

Mass is the property that matter has which opposes the force being applied to it. It is intrinsic to the object itself and does not change according to the gravitational force. But, the weight changes.

5 0
4 years ago
If 190 grams of water is cooled from 42.7°C to 21.2° C how much energy was lost by the water?
yanalaym [24]

Answer:

Energy lost by the water is 17.1 x 10³ J .

Explanation:

Specific heat is defined as the amount of energy per unit mass needed to raise the temperature of the substance by a one degree Celsius.

Heat energy gain or loss by any substance is given by :

Q = m x C x ( T₁ - T₂ )     .....(1)

Here m is the mass of the substance, C is specific heat of the substance and T₁ and T₂ are the initial and final temperature of the substance.

According to the problem,

Mass of water, m = 190 gm

Specific heat of water, C = 4.186 J gm⁻¹ ⁰C⁻¹

Initial temperature, T₁ = 42.7⁰ C

Final temperature, T₂ = 21.2⁰ C  

Substitute these values in equation (1).

Heat energy loss by water = 190 x 4.186 x ( 21.2 - 42.7 )

                                            =  -17.1 x 10³ J

In the above value, negative sign denotes the loss in energy.

7 0
4 years ago
A steel rod is pulled in tension along its center axis (the axial direction) with a stress that is less than the yield strength.
Kamila [148]

Answer:

D. Axial stress divided by axial strain

Explanation:

 Lets take rod is pulled by force P

Stress σ = P/A

We know that

σ = ε E

E=  Lets take rod is pulled by force P

Stress σ = P/A

We know that

σ = ε E

σ=Axial stress

ε  =Axial Strain = ΔL/L

E= σ/ε

E= Axial stress/Axial Strain

So the modulus of elasticity  is the ratio of axial stress to axial strain.

σ=Axial stress

ε  =Axial Strain = ΔL/L

E= σ/ε

E= Axial stress/Axial Strain

So the modulus of elasticity  is the ratio of axial stress to axial strain.

The option D is correct.

6 0
3 years ago
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MaRussiya [10]
It would be Newton’s second law of motion
8 0
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