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son4ous [18]
3 years ago
5

Why were Opportunity and Spirit sent to Mars' surface? A. to look for alien life B. to study the rocks and soil C. to study the

atmosphere D. to mine for specific minerals
Chemistry
2 answers:
DanielleElmas [232]3 years ago
6 0
Mine for specific minerals. because we have done all the other things already
alexandr1967 [171]3 years ago
5 0
D. to mine for specific minerals

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A a metal such as copper

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2 years ago
According to the activity series, which one of the following reactions will occur?
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3 0
3 years ago
What is the barometric pressure exerted in pascals (Pa) of a column of decane (density = 0.7300 g/cm3) 636.2 mm in height?
BartSMP [9]
<h3>Answer:</h3>

4551.37 Pascals

<h3>Explanation:</h3>

The pressure refers to the force exerted by a substance per unit area.

The pressure is liquid is calculated by;

P = height × density × gravitational acceleration

In this case;

Height = 636.2 mm

Density = 0.7300 g/cm³

g = 9.8 N/kg

We need to convert mm to m and g/cm³ to kg/m³

Therefore;

Height = 636.2 mm ÷1000

           = 0.6362 m

Density = 0.73 g/cm³ × 1000 kg/m³

             = 730 kg/m³

Then, we can calculate the pressure;

Pressure = 0.6362 m × 730 kg/m³ × 9.8 N/kg

              = 4551.3748 pascals

               = 4551.37 Pascals

Therefore, the pressure of the column of decane is 4551.37 Pascals

5 0
3 years ago
Identify a human activity that impacts the land negatively then describe a positive action that can help rude effects caused by
Lostsunrise [7]
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using gas-powered lawn and garden equipment should be also be avoided.
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2 years ago
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