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Burka [1]
2 years ago
12

When a person is scared, the brain responds to the fear by directing the hormone adrenaline to be released. This is an example o

f the nervous system working with the -
Chemistry
1 answer:
tangare [24]2 years ago
3 0

Answer:

Adrenaline

Explanation:

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Calculate the mass (in grams) of 8.56 moles of sulfur.
oksano4ka [1.4K]

Answer:

275g

Explanation:

Depending on the molar mass you are given, you can use that to solve this.

(I'm going based on my science class' molar mass of sulphur being 32.07g/mol)

Starting off, the formula for finding moles is

n=m/M (moles = mass / molar mass)

We can manipulate this equation to solve for mass.

m=Mn

now fill in what we now.

m = 32.07*8.56

mass = 274.5192

Now round for significant digits (if you are needed to do)

mass = 275g

5 0
3 years ago
Which of the following is not the unit of speed?
vitfil [10]

Answer:

d and c

Explanation:

that is just the answer

7 0
2 years ago
Read 2 more answers
Which is denser 10g of shampoo or 10kg of the same shampoo? Please explain! Thanks!
docker41 [41]
They have the same density because a material, no matter how much of it there is, will always be a certain density. A 40g ball of iron has the same density as a 1g ball of iron.
7 0
2 years ago
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Can someone help me balance this equation please?<br> Br2 + S2O32– + H2O → Br1– + SO42– + H+
tamaranim1 [39]

Explanation:

Br2 + S2O32- + 5H2O –> 2Br- + 2SO4 + 10H+ + 6e

7 0
2 years ago
Calculate the molar solubility of ca(io3)2 in each solution below. the ksp of calcium iodate is7.1 × 10−7.
e-lub [12.9K]
In order to find the answer, use an ICE chart:

Ca(IO3)2...Ca2+......IO3- 
<span>some.......0..........0 </span>
<span>less.......+x......+2x </span>
<span>less........x.........2x 
</span>
<span>Ca(IO₃)₂ ⇄ Ca⁺² + 2 IO⁻³
</span>
K sp = [Ca⁺²][IO₃⁻]²
K sp = (x) (2 x)² = 4 x³
7.1 x 10⁻⁷ = 4 x³
<span>x = molar solubility = 5.6 x 10</span>⁻³ M

The answer is 5.6 x 10 ^ 3 M. (molar solubility)
5 0
3 years ago
Read 2 more answers
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