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3 years ago

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Which explanations did you include in your response? Check all that apply. The oxidation number of carbon changes from -1 to +4.

The oxidation number of oxygen changes from 0 to -2. Carbon is oxidized. Oxygen is reduced. Electrons are transferred from carbon to oxygen.

1 answer:

Kaylis [27]3 years ago

5 0

Answer:

B, E

Explanation:

Edge

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Differentiate between Fundamental unit and derived unit

Serga [27]

Answer:

Fundamental Units are the units which are independent of any other unit.

They do not depend on any other physical quantity for their measurements .

Derived Units are derived from Fundamental Units.

They are are products and/or ratios of the fundamental quantities that exist in a system of units.

Explanation:

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3 years ago

How would you describe (explain the differences) solids, liquids, and gases to a 4th grader? Be clear please.

musickatia [10]

A solid is an object that has definite shape, volume, and mass. This means that the shape, volume, and mass will never change.

A liquid is something that has definite volume and mass, but it does not have definite shape because a liquid is the shape of its container.

A gas <span>does not have a definite shape, mass, or <span>volume because a gas is able to spread around.</span></span>

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3 years ago

Read 2 more answers

Identify the power of ten that defines each of these prefixes. Input your answers as 10 x where x is the power of ten. nano- ___

Gemiola [76]

<u>Answer:</u> The quantity of every prefix is written below as a power of ten.

<u>Explanation:</u>

In the metric system of measurement, the name of multiples and subdivision of any unit is done by combining the name of the unit with the prefixes.

<u>For Example:</u> deka, hecto and kilo means 10, 100 and 1000 respectively. Deci, centi and milli means one-tenth, one-hundredth, and one-thousandth respectively.

The quantity of these prefixes are written as the power of 10.

For the given prefixes:

<u>Nano:</u> The quantity will be $10^{-9}$

<u>Kilo:</u> The quantity will be $10^3$

<u>Centi:</u> The quantity will be $10^{-2}$

<u>Micro:</u> The quantity will be $10^{-6}$

<u>Milli:</u> The quantity will be $10^{-3}$

<u>Mega:</u> The quantity will be $10^6$

Hence, the quantity of every prefix is written above as a power of ten.

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4 years ago

How many grams are there in 1.18 X 1026 atoms of iridium?

stealth61 [152]

You want to divide by avagadros number (6.22 x 10^23). This will cancel the atoms unit and give moles, moles of Iridium. Now you want to calculate the atomic mass of Iridium which is in units of grams per mole. Multiply these two numbers and the moles will cancel giving you grams.

Setting up a dimension analysis type of thing helps tremendously. See what you have to cancel in order to get what you want. We canceled the atoms, then we canceled the moles, and then we got grams.

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3 years ago

What does a solute do in a solution

valentinak56 [21]

A solute is a substance that dissolves into another substance , and forms a solution.

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4 years ago