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Chemistry

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Marcella Predovic

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Cards in this guide (14)
How many hours does an Electrician work

Most electricians work for a standard 35-40 hours in a week. However, once established, being an electrician is quite lucrative (it certainly is in Australia) and many have their own assistants and / or employees and can afford to spend a little more time off.

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

Cheyne can drive 59 mph.

Calcium chloride is often used to de-ice roads in the winter What volume would 15.7 g calcium chloride occupy

6.28cm3

What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius

q = m x C x Δt, where q is amt of heat gained or lost, C is specific heat capacity, and Δt is change in temperature.

Known:

q = 2000J

m = 4g

Δt = 5oC

Equation:

C = q/mΔt

Solution:

C = 2000J/4g5oC = 2000J/20goC = 100J/goC

George intentionally threw a snowball directly at Chris The fact that the snowball will continue in the direction of Chris after leaving George's hand is an example of the snowball's

inertia

How many volunteers will he need if each volunteer can distribute 225 brochures in one hour

20 Volunteers

What country was most closely related to communism

Soviet Union

A 050g ball of aluminum foil absorbs 1.42j heat when it is heated 31.6c what is the specific heat of aluminum foil

0.90 J/g°c

Specific heat and latent heat of LPG

specific heat of lpg

How many significant digits are in 1.076000

This number has seven significant digits.

How many hours does a psycriatrist work ina day and how many days a week

A psychiatrist works an average of 8 hours per day, 5 days per week.

What is true of the League of Nations

america did not join the league

Which countries was most closely related to communism

It was the Soviet Union

What Express this amount in dozens. (Use decimal form.) 75 pies

It is 6.25 dozen.

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Chemistry

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Chemistry

13 cards

How many hours does an Electrician work

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

Calcium chloride is often used to de-ice roads in the winter What volume would 15.7 g calcium chloride occupy

What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius

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How many hours does an Electrician work

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