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blondinia [14]
2 years ago
12

List and explain 2 positive and 2 negative effects of mining in Guyana​

Chemistry
1 answer:
allsm [11]2 years ago
3 0

Answer:

While positive impacts such as employment and community development projects are important, they do not off-set the potential negatives. We have found mining can negatively affect people by: forcing them from their homes and land. preventing them from accessing clean land and water.

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А<br> Newton's Third Law of Motion<br> states:<br> Edit<br> Move with text
Kobotan [32]
Newtown third law of motion says : when two objects interact , the forces they exert on each other are equal and opposite .
4 0
3 years ago
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Determine the number of significant figures in the following measurement: <br><br> 16.08 Liters
valentina_108 [34]

Answer:

Four significant figures.

Explanation:

Hello,

In this case, considering that the measurement 16.08 L has four digits we must take into account that all are significant even the zero due to fact that is to the right of the first nonzero digit which is 1, therefore, the measurement has four significant figures.

Best regards.

7 0
3 years ago
Water has a density of 1g/ml. what is the mass of the water if it fills a 10ml container?
notka56 [123]
It's 10.
Mass = density x volume
M = 1g/ml(10ml) = 10g
8 0
3 years ago
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What does the kinetic theory state about the relationship between the speed and temperature of gas molecules?
mario62 [17]

The kinetic theory state about the relationship between the speed and temperature of gas molecules "As the temperature increases, the speed of gas molecules increases".

<u>Option: </u>C

<u>Explanation:</u>

The temperature relates to a gas, according to the kinetic theory of gases, influences the rate of motion of the gas particles. The higher the gas temperature, the faster the gas particles are moving; the reverse is true, too.

This is because the gas particles gain more kinetic energy as the temperature of the gas increases, and therefore move faster and collide more with each other and the container walls.The rate of a gas's molecules is proportional to the temperature, and is inversely proportional to the gas's molar mass.

5 0
3 years ago
The amount of protein in a sample was measured by the sample's absorbance of light at a given wavelength. Using standards, a bes
FinnZ [79.3K]

Answer:

Protein Concentration is 2.82mg/L

Explanation:

According to Beer-Lambert's Law, Absorbance is directly proportional to the concentration.

However, the concentration of a solution can be determined from a calibration curve, in which Absorbance is plotted on the y-axis and the Concentration on the x-axis.

Plotting the best line, the equation of line is used

y = mx + c

where y is absorbance = 0.150

           m is slope = 0.0163

            x is concentration

             c is intercept = 0.104

inserting the values from the question

y = mx + c

0.150 = 0.0163x + 0.104

0.0163x = 0.150 - 0.104

0.0163x = 0.046

Divide both sides by 0.0163

0.0163x/0.0163 = 0.046/0.0163

x = 2.82

Concentration of protein = 2.82 mg/L

5 0
4 years ago
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