1,088 Answered Questions for the topic physical science

7d

#### Specific heat capacity of water

I’m doing an experiment in physics about the heat capacity of water and I have questions that I don’t understand- A little info->Task/Mission- Determine the specific heat capacity of the water. ...
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#### Heat Transfer/Specific Heat Problems. Step-by-step

How many joules of heat are required to raise the temperature of 550 g of water from 12.0 oC to 18.0 oC?

#### Specific Heat Capacity Show work Please!

When 5800 joules of energy are applied to a 15.2-kg piece of lead metal, how much does the temperature change by?[2.98 degrees] <===Answer

#### Specific Heat Capacity Show work Please!

How much energy (in kJ) is lost by a 348-kg iron statue that goes from a temperature of 299 Kto a temperature of 280 K?[-2975 kJ] <===Answer

#### Specific Heat Capacity Show work Please!

A heat energy of 645 J is applied to a sample of glass with a mass of 28.4 g. Its temperatureincreases from –11.6 ∞C to 15.5 ∞C. Calculate the specific heat of glass.[0.84 J/g C] <=== Answer

#### Specific Heat Capacity Show work Please!

A silver ring has a mass of 138.45 g. How many joules of heat are required to increase the temperature from 11.8 ∞C to 162.5 ∞C?[5007 J]<==== Answer

#### Specific Heat Capacity Show work Please!

When 895-J of heat is applied to a sample of iron metal the temperature increases by 55.0 ∞C.Determine the mass of the metal sample to the nearest tenth of a gram. [36.2g] <==== Answer

#### Specific Heat Capacity Show work Please!

A water heater warms 35-L (35 kg) of water from a temperature of 22.7 ∞C to a temperature of83.7∞C. Determine the amount of energy (in kilojoules) required.[8933 kJ] <=== Answer

#### Thermochemistry. Answer, step by step please. (show work)

Combustion of C8H18(g) ∆H = -5076 kJ a. Write a balanced chemical equation that includes heat as a reactant or product. b. What volume of products can be made if 120 kilojoules are released?

Physical Science

10/28/21

#### Which has more kinetic energy: a 0.0016-kg bullet traveling at 398 m/s or a 5.9 107-kg ocean liner traveling at 14 m/s (27 knots)?

Physical Science

10/28/21

#### Which has more kinetic energy: a 0.0016-kg bullet traveling at 398 m/s or a 5.9 107-kg ocean liner traveling at 14 m/s (27 knots)?

10/04/21

#### Classify as mixture or pure substance

Classify as mixture or pure substanceA. Gasoline B. Oxygen gas C. Milk D. Mercury (Hg) used in a thermometer E. A tablespoon of sugar (C12H22O11)

10/04/21

#### Identify the change as Physical or Chemical

Identify the change as Physical or ChemicalA. Mothballs vaporize in a closet B. A flashlight corrodes on storage.C. A piece of rubber stretches when pulled.D. Alcohol feels cool when it evaporates...
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09/29/21

#### A stone is dropped from a tall building t=0 and strikes the ground. Illustrate a graph that best shows the velocity of the stone after it is dropped.

Please create a graph that would best describe the velocity of the following problem or situation.

09/29/21

#### Please answer the following problem in the DESCRIPTION and PROVIDE A FULL EXPLANATION

The acceleration of a NASCAR race car is zero. Does this necessarily mean that the velocity of the car is zero? If the speed of the car is constant as it goes around the track, is its average...
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09/19/21

#### Physics question about resistors

You are given six resistors each of value 10 ohms, how will you connect them to give a total of 10 ohms? I need this to draw a circuit diagram of this arrangement but am unable to figure it out.

Physical Science

09/13/21

#### An object falls from the Transco Tower in Houston and takes 15 seconds to reach the ground. What is its acceleration at the 10th second?

5 m/s2
15 m/s2
9.8 m/s2
30 m/s2

Physical Science

09/13/21

#### Please help me I need help with this homework

1) In order to receive credit for this worksheet you MUST show your work. 2) You MUST write the applicable formula for each problem to receive credit.3) You can use a calculator but you must show...
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Physical Science

09/08/21

#### Physical science

what three assumptions about particles in a gas are made by kinetic theory.

Physical Science

09/08/21

#### Write the resulting element from the fused elements during fusion, and provide the atomic mass of the elements involved and the resulting element.

Li + NeNa + Be

Physical Science

08/30/21

#### whats the process that a spark represents

Physical Science

08/27/21

#### Acceleration worksheet

A roller coaster car rapidly picks up speed as it rolls down a slope As it starts down the slope its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is...
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08/02/21

#### Projectile Motion

question 1: An object is thrown upward with an initial velocity of 15 feet per second. Its height is given by h= -15t^2 + 60t. After how many seconds does it hit the ground?question 2: A...
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Physical Science

08/01/21

#### what would the final pressure of 40L of gas at 90 pa be if the volume was increased to 120L

08/01/21

#### Need help with science ASAP

List the three general types of rocks and give one example of each. Pick one of the three rock examples and explain what would happen to that rock as it undergoes changes as described by the rock...
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