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abruzzese [7]
3 years ago
6

Why do scientists track virus mutations and how might tracking these variants be helpful in preventing and treating the virus?

Chemistry
1 answer:
Luda [366]3 years ago
8 0

Answer: they do this because if they do they can easily find new viruses to stay safe from

Explanation: i took test on it recentley

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Ocean waves observed to travel along the water surface during a developing storm. A coast guard weather station observes that th
yawa3891 [41]

The horizontal distance represents wavelength λ. The time represents the period of the wave T.

Wave speed is given by v= λ/T

Hence, those are the only parameters needed.


Note: the vertical distance is for calculating amplitude which is not used in calculating wave speed.

6 0
4 years ago
Calculate the molar mass of iron(III) sulfide. Round your answer to the nearest 0.1 and include units to receive credit.
Igoryamba

Answer:

207.89g

Explanation:

The formula of the compound is:

        Fe₂S₃  

Find the molar mass of the compound;

  Atomic mass of Fe  = 55.845g/mol

                              S  = 32.065g/mol

Now;

  Molar mass of  Fe₂S₃   = 2 (55.845) + 3 (32.065)

                                         = 207.89g

8 0
3 years ago
Last friday the atmospheric pressure in our 2nd year lab was measured as 731 mmhg. Calculate the temperature at which water woul
faust18 [17]

Answer:

p1/T1=p2/T2

760mmHg/212°F=731mmHg/T2

T2= 203.91°F

760mmHg/100°C=731mmHg/T2

T2= 96.18°C

Explanation:

You'd have to choose in which units you want to express the temperature.

7 0
3 years ago
Draw the Lewis structures for CH3OH, CH2O and HCOOH. Indicate the hybrid orbital used in the sigma bonds for each of the carbon
sdas [7]

Answer:

See figure 1

Explanation:

For this question, we have to remember that in the lewis structures all atoms must have<u> 8 electrons</u>. And each atom would have a different value of <u>valence electrons</u>:

Carbon => 4

Oxygen=> 6

Hydrogen=> 1

Additionally, for the <u>hybridizations</u> we have to remember that:

Sp^3=> 4 single bonds

Sp^2=> 1 double bond

Sp^1=> 1 double bond

With this in mind, the formaldehyde and formic acid would have Sp^2 carbons and the ethanol an Sp^3 carbon.

Finally, for the oxidation state. We have to remember that <u>if we have more bonds with oxygen, we will have more oxidation</u>. Therefore, the carbon that has more oxidation is the one in the formic acid (we have several bonds with oxygen).

See figure 1

I hope it helps!

4 0
3 years ago
Arrange the core steps of the scientific method in sequential order
Sloan [31]
HOMER - <span>hypothesize, operationalize, measure, evaluate, and replicate/revise/report."</span>
7 0
3 years ago
Read 2 more answers
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