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3 years ago

Please help me need it today!!I WILL GIVE BRAINLYST

Chemistry

1 answer:

Romashka [77]3 years ago

3 0

Answer:

hurricanes form over warm oceans

Explanation:

because it can not form in hot nor cold oceans

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What is the number of moles in 526 L O2 at STP?

Katena32 [7]

526 L O2 x 1 mol O2 / 22.4 L = 23.5 mol O2

3 0

4 years ago

Read 2 more answers

What causes high and low tides on Earth? A. The moon's gravitational pull on Earth causes water to bulge on two sides of Earth.B

sveticcg [70]

Answer:

The moon's gravitational pull on Earth causes water to bulge on two sides of the Earth.

7 0

3 years ago

What is the name of this hydrocarbon?

Deffense [45]

Answer:

1-Fluoro-4-nitrobenzene

Step-by-step explanation:

Step 1. Identify the substituents on the ring,

The groups are fluoro and nitro. They have no priority as functional groups, so the base name is benzene.

Step 2. Identify their relative priorities.

F and NO₂ have no functional group priority, so we list them in alphabetical order. F has alphabetical priority over NO₂. The name becomes fluoronitrobenzene.

Step 3. Number the atoms of the ring.

The C atom bearing the F is C1. Count around the ring, and the NO₂ group is on C4.

Step 4. Name the compound.

Insert the locating numbers immediately in front of the substituents. Use hyphens to join letters to numbers.

The name becomes 1-fluoro-4-nitrobenzene.

7 0

4 years ago

Perform the following operation and express the answer in scientific notation 8.6500x10^3+6.5500x10^5

Dafna1 [17]

Taking into account the scientific notation, the result of the sum is 6.6365×10⁵.

<h3>Scientific notation</h3>

First, remember that scientific notation is a quick way to represent a number using powers of base ten.

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>Sum in scientific notation</h3>

You want to add two numbers in scientific notation. It should be noted that 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 5.

Then all the values are expressed as a function of the base 10 exponent with the highest exponent. In this case: 8.6500×10³= 0.086500×10⁵

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

0.086500×10⁵ + 6.5500×10⁵= (0.086500+ 6.5500)×10⁵= 6.6365×10⁵

Finally, the result of the sum is 6.6365×10⁵.

Learn more about scientific notation:

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2 years ago

Is Isoheptenes hazardous when wet