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Kobotan [32]
3 years ago
15

Which of the following describes an impact of the specific heat of water on the planet?

Chemistry
1 answer:
Maru [420]3 years ago
3 0

Answer:

Islands and coastal places have moderate pleasant climates.

Explanation:

The specific heat of water is high as compared to most common substances. The high specific heat means that it takes lot of time to heat the water. As a consequence in coastal areas, during day, the land gets heated quickly than water.

The air above land gets heated up and due to low density, rises. The air above water which is cool rushes to take its place. The wind moves sea towards land- sea breeze. At night, the land and air above it is cooler as compared to air above water. The wind blows from land towards sea - Land breeze.

Due to sea breeze and land breeze, islands and coastal places have moderate pleasant climates.

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15
Len [333]
A.) AlO is the correct formula
8 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
3 years ago
Which of the following chemical equations proves that the law of conservation of mass is in effect?
bogdanovich [222]

Answer:

2KCl + F₂   →     2KF + Cl₂

Explanation:

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

2KCl + F₂   →     2KF + Cl₂

In this equation mass of reactant and product is equal. There are 2 potassium 2 chlorine and fluorine atoms on both side of equation it means mass remain conserved.

All other options are incorrect because mass is not conserved.

Mg₂ + LiBr ---> LiMg + Br

In this equation mass of magnesium is more on reactant side.

Na +O₂ ---> Na₂O

In this equation there is more oxygen and less sodium on reactant side while there is more sodium and less oxygen on product side.

H₂O ---> H₂ + O₂

In this equation there is less oxygen on reactant side while more oxygen on product side.

5 0
3 years ago
How many attoms are equal 6.19 moles of hydrogen?​
Wittaler [7]

Answer:

3.727x10^24 atoms.

Explanation:

When calculating how many molecules are in a compound or element, we refer to Avogardo's number.

Your equation will look like this: 1 mole/ 6.022x10^23 molecules (Avogardo's number).

Multiply 6.19 by Avogardo's number to get your answer.

4 0
3 years ago
When you dissolve covalent compounds in water, the molecules tend to stick together but if you dissolve ionic compounds in water
9966 [12]
A covalent bond is stronger than an ionic bond because the covalent bond doesn’t separate in water
5 0
3 years ago
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