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qaws [65]
3 years ago
8

Find the area of a vegetable garden that is 4.83m long and 3.4m wide. Give your answer to the correct significant figure. (use t

he symbol "e" to indicate exponent)
Chemistry
1 answer:
sergejj [24]3 years ago
5 0

Answer:

The area of vegetable garden is 16.422 m².

Explanation:

Given data:

Length = 4.83 m

Width = 3.4 m

Area = ?

Solution:

Formula:

Area = length × width

Area is measured in square unit.

By putting the values in formula:

Area = length × width

Area = 4.83 m × 3.4 m

Area = 16.422 m²

The area of vegetable garden is 16.422 m².

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Answer:

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A helium balloon has a volume of 2.5 L. When heated to 343.5K the pressure of the gas is 66.7 kPa. How many moles of He gas woul
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Answer:

0.06mole

Explanation:

Given parameters:

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Solution:

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               Pv = nRT

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               n is the number of moles

               R is the gas constant

               T is the temperature

      0.66 x 2.5  = n x 0.082 x 343.5

                      n  = 0.06mole

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