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Crank
3 years ago
14

The answer for number 1

Chemistry
2 answers:
Nuetrik [128]3 years ago
4 0
Maybe B. Im probably wrong but I think b
Nutka1998 [239]3 years ago
3 0
I’m preeeetty sure it’s B. Give the other person brianliest since they answered first. :))
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Which one of the following human organ systems is mainly made up of glands and hormones
fomenos
The lymphatic system
4 0
4 years ago
A series of six solutions was prepared at the given concentrations. Sample A B C D E F Concentration (mM) 50 100 150 200 300 400
ioda

Answer:

300 mM

Explanation:

In order to solve this problem we need to calculate the line of best fit for those experimental values. The absorbance values go in the Y-axis while the concentration goes in the X-axis. We can calculate the linear fit using Microsoft Excel using the LINEST function (alternatively you can write the Y data in one column and X data in another one, then use that data to create a dispersion graph and finally add the line of best fit and its formula).

The <u>formula for the line of best fit for this set of data is</u>:

  • y = 0.005 * x

So now we <u>calculate the value of </u><u><em>x</em></u><u> when </u><u><em>y</em></u><u> is 1.50</u>:

  • 1.50 = 0.005 * x
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7 0
3 years ago
HELP ASAP I DON'T UNDERSTAND THIS :(
n200080 [17]
The answer is C. A, B, and C would depend on what type of electron it is.
3 0
3 years ago
Read 2 more answers
A sample of lithium sulfate, (Li2SO4), has 2.94 x 1023 atoms
Crazy boy [7]

Answer:

0.245 moles

Explanation:

moles of lithium = 2*moles of Li2SO4

so moles of LI2SO4=2.94*10^23/(2*6*10^23)=0.245

3 0
3 years ago
Is it possible for a molecule to have polar bonds and not have a net dipole?
babunello [35]
Yes, an example of a molecule would be CO2, which has no dipole moment but does have two polar bonds. Although CO2 has no dipole moment, its charge distribution gives rise to a quadrupole moment
7 0
3 years ago
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