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Sophie [7]
3 years ago
14

Which equation is balanced?

Chemistry
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

A I think

Explanation:

im not sure so do with that what you will

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How many newtons of force are represented by the following amount: Mass of 3 kg and acceleration of 3.0 m/sec 2??
Ahat [919]
We know that ;
Force = mass × acceleration
=> Force = 3×3 = 9N
_________
hope it helps!
3 0
3 years ago
Read 2 more answers
How many isomers are there in C7H16 ?<br><br>a. 6<br>b. 7<br>c. 8<br>d. 9​
Mariulka [41]
The correct answer is 9 .
7 0
3 years ago
What is the wavelength of electromagnetic radiation with a frequency of 9.23 × 10^-7 Hz?
stich3 [128]

3.25 x 10¹⁴m

Explanation:

Given parameters:

Frequency of the radiation = 9.23 x 10⁻⁷hz

Unknown:

Wavelength of the radiation = ?

Solution:

The velocity of electromagnetic radiation is the same as that of the speed of light in vacuums.

  Velocity = frequency x wavelength.

 Velocity = 3  x 10⁸m/s

Since the unknown is wavelength, we factor it out:

    Wavelength = \frac{Velocity }{frequency}

    Wavelength = \frac{x}{y}\frac{ 3 x 10^{8} }{9.23 x 10^{-7} }

                          = 3.25 x 10¹⁴m

learn more:

Wavelength brainly.com/question/6352445

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4 0
3 years ago
All of the following statements are correct except The conversion of compounds into elements is a chemical change. The conversio
aleksandrvk [35]

Answer:

The conversion of liquid water into gaseous water is a chemical change

Explanation:

A chemical change occurs when there is a chemical reaction, so there'll be changed in the compounds, such as forming new ones, forming its elements, or elements forming compounds.

A physical change occurs when there is a change in the state of aggregation of the compound, it means that it changes its physical state. Solid for liquid, liquid for solid, liquid for gas, gas for liquid, solid for gas, and gas for solid are the physical changes.

So the evaporation of water, or its conversion in gaseous water, is a physical change, not a chemical change.

6 0
4 years ago
A living cell with a tonicity (solute concentration) equivalent to 0.9% NaCl is placed in a solution containing 2% NaCl. Assume
Stells [14]

Answer:

This question is incomplete

Explanation:

This illustration refers to an hypertonic solution. Hypertonic solution is a solution in which the surrounding solution has a higher solute concentration (2% of NaCl) than the cell's cytosol (0.9% of NaCl). In hypertonic solution, the solution outside the cell (with higher concentration) pulls the water from the cell's cytosol (via osmosis) causing the cell to shrink.

4 0
3 years ago
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