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Math and Arithmetic

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Marley Williamson

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Cards in this guide (12)
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.

It takes an electrician 45 minutes to wire an office in a new office building that is being built The electrician signed a contract to wire all offices on 6 floors of the new building There are 50

5.62 weeks

Express the sum 257 and 431 in decimal form

how to express the sum 257 and 431 in decimal form

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

What country was most closely related to communism

Soviet Union

A space probe has returned samples to earth of crystals found on a distant planet In studying these crystals scientist discovered that a 0994g sample will absorb 2027 J heat when the temperature

40.78

Specific heat and latent heat of LPG

specific heat of lpg

How far back can the oldest Greek myths be traced

to gaea and ouranus

How many significant digits are in 1.076000

This number has seven significant digits.

Which countries was most closely related to communism

It was the Soviet Union

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N

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