04/20/19

Which chemical element is at the center of the chlorophyll molecule?
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03/19/19

The spleen functions are part of which system?
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03/02/19

Sally has made one litre of ice cream that she needs to store in a container. She has two containers to choose from.

Container one: A cylinderof radius 4cm and height 20 cm Container two : A cuboid of width 9cm, height 6cm and depth 18cm.With good mathematical communication Explain which container sally should use. more
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02/27/19

A rectangle is placed around a semicircle as shown below. The width of the rectangle is 7 mm. Find the area of the shaded region. Use the value 3.14 for pi, and do not round your answer.

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02/21/19

Racquetballs have a radius of about 2.8 cm. if three balls are packaged in a can like we described for tennis balls earlier, find each volume. round to the nearest hundredth.
a. the volume of one ballb. the volume of three ballsc. the volume of the can. (remember the height is six times the radiusd. the volume of empty space in the cane. the percentage of the can filled... more
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02/20/19

Two supplementary angles measure (3x-54) and (2x+35) degrees. What is the value of x?
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02/14/19

You are saving your money to buy an Xbox one. The regular price is $499.96. It will be on sale in two weeks at Walmart for 15% off that price. What will your total cost be INCLUDING a 7% tax rate?
Use discount, sales price, sales tax, and total cost equations.
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05/30/18

Geometry Proofs
1. The ratio of the volume of a pyramid to the volume of a prism with the same base and height is _____  Because the formula for the volume of a prism is V=Bh , where B is the area of the base and... more
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01/18/18

Clausius Clapeyron please help
a handbook lists the normal boiling point of an organic liquid as 42.6 Celsius and it’s enthalpy of vaporizationas 24.9 kJ/mol. Calculate the vapor pressure in torr of this  compound at 25.0 celsiuS.
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02/08/17

What mass would 4.06 moles of water have? – Show Work
What mass would 4.06 moles of water have? – Show Work
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10/05/16

Calculate its volume after the temperature is increased to 175 C and the pressure is decreased to 1.00 atm. - Show Work
A gas initially occupies 25.0 L at 25 C and 3.00 atm. Calculate its volume after the temperature is increased to 175 C and the pressure is decreased to 1.00 atm.
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