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Alex73 [517]
3 years ago
10

6. Which body systems do sense receptors belong to?

Chemistry
1 answer:
NISA [10]3 years ago
3 0
<h2>receptors belong to the autonomic nervous system !</h2><h2>                   BRAINLIEST PLEASE !</h2>
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Find the number of mass in 3.30 grams of (NH4)2 SO4
motikmotik
132.13952<span> grams - I believe</span>
6 0
3 years ago
What is the number of moles of NaOH in 16.5 mL of 0.750 Molar NaOH?
Alchen [17]

Answer:

0.0165 (L) * 0.750 (mol/L) = 0.0124 mol NaOH in 16.5 mL

Explanation:

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3 years ago
Complete the sentence
solmaris [256]

Answer:

Explanation:

physical change

5 0
3 years ago
Read 2 more answers
If HCr2O7 is titrated with Ca(OH)2, what is the balanced chemical equation of this neutralization reaction?
Harrizon [31]

Answer:

2HCr2O7(aq) + Ca(OH)2(aq) --> 2H2O(l) + Ca(Cr2O7)2

Explanation:

A neutralization reaction produces water and a salt. Since Ca(OH)2 has two hydroxides, two water molecules are produced, which means you also need two molecules of the acid. Having two molecules of the acid also ensures that you have two dichromates on both sides.

6 0
2 years ago
Please help<br><br><br> How many moles are there in 7.57 x 10^30 molecules of CO2?
Oxana [17]

Answer:

The answer is

<h2>12,574,750.83 moles</h2>

Explanation:

In order to find the moles of CO2 we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

N = 7.57 × 10^30 molecules of CO2

We have

n =  \frac{7.57 \times  {10}^{30} }{6.02 \times  {10}^{23} }  \\  = 12574750.83056...

We have the final answer as

<h3>12,574,750.83 moles</h3>

Hope this helps you

3 0
3 years ago
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