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Karelle Grady

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Term1/11
How many hours does an Electrician work
Definition1/11

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.

Term1/11
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
Definition1/11

Cheyne can drive 59 mph.

Term1/11
Calcium chloride is often used to de-ice roads in the winter What volume would 15.7 g calcium chloride occupy
Definition1/11

6.28cm3

Term1/11
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
Definition1/11

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

Term1/11
Stella described her chemistry notebook as being a green rectangle with curved edges It measured 30.0 cm x 22.1 cm What kind of properties did Stella describe
Definition1/11

physical properties (:

Term1/11
Classify this property as homogenous or heterogenous Click on the correct answer
Definition1/11

homogeneous

Term1/11
Express this amount in dozens Use decimal form 7.5 cupcakes
Definition1/11

6.25 (:

Term1/11
How many significant digits are in the number 85000
Definition1/11

Two

Term1/11
A 050g ball of aluminum foil absorbs 1.42j heat when it is heated 31.6c what is the specific heat of aluminum foil
Definition1/11

0.90 J/g°c

Term1/11
How many significant digits are in 1.076000
Definition1/11

This number has seven significant digits.

Term1/11
What Express this amount in dozens. (Use decimal form.) 75 pies
Definition1/11

It is 6.25 dozen.

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Cards in this guide (11)
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

Stella described her chemistry notebook as being a green rectangle with curved edges It measured 30.0 cm x 22.1 cm What kind of properties did Stella describe

physical properties (:

Classify this property as homogenous or heterogenous Click on the correct answer

homogeneous

Express this amount in dozens Use decimal form 7.5 cupcakes

6.25 (:

How many significant digits are in the number 85000

Two

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

How many significant digits are in 1.076000

This number has seven significant digits.

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

It is 6.25 dozen.

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