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Flura [38]
3 years ago
14

PLEASE HELP WITH EASY 8th GRADE SCIENCE!!

Chemistry
2 answers:
atroni [7]3 years ago
8 0
I think c is the right answer
o-na [289]3 years ago
4 0

Pretty sure it's actually B

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How can you use the periodic table to find the number of protons in one atom of an element?
evablogger [386]
A is your answer.
On the periodic table the atomic number is the number of protons inside the nucleus.
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What type of epithelium would be most suited for high levels of diffusion and filtration?
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Sorry the answer might be a little late but it would be <span>Simple squamous</span>
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3 years ago
What volume (mL) of concentrated solution of magnesium chloride (9.00 M) must be diluted to 350. mL to make a 2.75 M solution of
zalisa [80]

❤Answer

<u>Volume </u><u>of</u><u> 106.9 mL from the concentrated solution should be taken and diluted to 350 </u><u>mL.</u>

⠀

⠀

<u>Main I'd On Indian Brainly Is - HeartCrush</u>

⚡ Explantion

<u>We can use the </u><u>formula.</u><u> </u>

c1v1 =c2v2

<u>Where c1 is the concentration and v1 is volume of the concentrated </u><u>solution.</u><u> </u>

c2 is the concentration

and v2 is the volume of the diluted solution to be prepared

9.00 M x V1 = 2.75 M x 350 mL

V1 = 106.9 mL

<u>Volume of 106.9 mL from the concentrated solution should be taken and diluted to 350 </u><u>mL</u><u>.</u>

3 0
2 years ago
A stover-to-ethanol plant produces 40,000 tonne/yr of ethanol and contains 8functionalunits:feedstockhandling,pretreatment,simul
Step2247 [10]

Answer:

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

FCI=88.0818 MM≅88 MM

Explanation:

Empirical correlation based on the work of Bridgwater and Mumford (1979):

For Liquid or solid phase Plants:

FCI=458000*N*F^{0.3}                       F<60,000 tonne/yr     Eq (1)

FCI=7000*N*F^{0.68}                         F≥60,000 tonnes/yr   Eq (2)

Where:

N is the number of functional units

F is the process throughput tonnes/yr

In our case F=40,000 tonne/yr <60,000 tonne/yr, We are going to use Eq (1)

FCI=458000*N*F^{0.3}                       F<60,000 tonne/yr

N=8, F=40,000 tonne/yr

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

FCI=88.0818 MM≅88 MM

8 0
3 years ago
Which substance will form a solution when mixed with solid sodium chloride?
s2008m [1.1K]

The substance that will form a solution when mixed with solid sodium chloride would be  CH₂OH

<h3>Solubility of NaCl</h3>

A solution is only formed when a solute dissolves in a solvent.

In this case, CCl4_ and  CH₂OH are the only liquid solvents. However, NaCl is insoluble in CCl_4 while it is soluble in  CH₂OH due to its polarity.

Thus, NaCl can form a solution only with  CH₂OH.

More on formation of solutions can be found here: brainly.com/question/13469356

#SPJ1

4 0
2 years ago
Read 2 more answers
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