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Oksi-84 [34.3K]
2 years ago
8

Many large and small rocks are found under glaciers. Explain how these rocks are both weathered and eroded.

Chemistry
2 answers:
topjm [15]2 years ago
8 0
These rocks eroded by the water slowly taking tiny pieces of the rock away and moving them somewhere else
Mumz [18]2 years ago
7 0

Answer:

The ice and water hit the small rocks and take apart the sediments from it

Explanation:

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What is (3.11*10^-5)-(4.21*10^-2)
Reptile [31]

Taking into account the scientific notation, the result of the subtraction is -4.20689×10⁻².

<h3>Scientific notation</h3>

Scientific notation is a quick way to represent a number using powers of base ten, where the numbers are written as a product:

a×10ⁿ

where:

  • a is a real number greater than or equal to 1 and less than 10, to which a decimal point is added after the first digit if it is a non-integer number.
  • n is an integer, which is called an exponent or an order of magnitude. Represents the number of times the comma is shifted. It is always an integer, positive if it is shifted to the left, negative if it is shifted to the right.

<h3>Subtraction in scientific notation</h3>

When the numbers to be added do not have the same base 10 exponent, the base 10 power with the highest exponent must be found. In this case, the highest exponent is -2.

Then all the values ​​are expressed as a function of the base 10 exponent with the highest exponent. In this case: 3.11×10⁻⁵= 0.00311×10⁻²

Taking the quantities to the same exponent, all you have to do is subtract what was previously called the number "a". In this case:

0.00311×10⁻² - 4.21×10⁻²= (0.00311 - 4.21)×10⁻²= -4.20689×10⁻²

Finally, the result of the subtraction is -4.20689×10⁻².

Learn more about operations in scientific notation:

brainly.com/question/1894247

brainly.com/question/11403716

brainly.com/question/853571

#SPJ1

3 0
2 years ago
Analyze the reaction to determine whether the
Bumek [7]

Answer: Exothermic

Explanation: Looking at the graph, you see that the reaction started with more energy than it ended with, meaning it gave out its energy over the course of the reaction. This is also confirmed by the reaction equation, which shows the energy (891 kJ) on the right side of the equation.

6 0
3 years ago
Read 2 more answers
compound of aspartame is a dipeptide that is often used as a sugar substitute which functional groups are present
Scrat [10]

Answer:

Carboxyl, primary amine, amide, ester, and phenyl.

Explanation:

The functional groups present in the compound of aspartame are carboxyl, primary amine, amide, ester, and phenyl. Aspartame is an artificial non-saccharide sweetener which is 200 times sweeter than sucrose. This aspartame is commonly used as a sugar substitute in many foods and beverages. It has the trade names such as NutraSweet, Equal, and Canderel.

5 0
3 years ago
How many atoms of hydrogen are there in 3.0kg of ethane
kvasek [131]
Ethane has the formula C2H6.
From the periodic table:
molecular mass of carbon = 12 grams
molecular mass of hydrogen = 1 gram
Therefore:
molar mass of ethane = 2(12) + 6(1) = 30 grams

This means that each 30 grams of ethane contains 6 grams of hydrogen. To know how many grams of hydrogen are in 3000 grams of ethane (3 kg), we will simply use cross multiplication as follows:
mass of hydrogen = (3000 x 6) / 30 = 600 grams
7 0
3 years ago
Initial temperature of metal =
Evgesh-ka [11]

Answer:

the correct answers is 100 22.7 and 24.6

Explanation:

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4 0
3 years ago
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