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Veronika [31]
2 years ago
11

True or false The right side of the heart pumps blood to the lungs to release oxygen.

Chemistry
1 answer:
Yakvenalex [24]2 years ago
7 0

Answer:

true

Explanation:

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What are the missing coefficients for the skeleton equation below? Cr(s) + Fe(NO3)2(aq) → Fe(s) + Cr(NO3)3(aq)
postnew [5]

Answer:

2 3 3 2

Explanation:

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3 years ago
A chemist mixes 1.00 g CuCl2 with an excess of (NH4)2HPO4 in dilute aqueous solution . He measures the evolution of 670 J of hea
kaheart [24]

Answer:

\Delta H will be 90054 J

Explanation:

Number of moles = (mass)/(molar mass)

Molar mass of CuCl_{2} = 134.45 g/mol

So, 1.00 g of CuCl_{2} = \frac{1.00}{134.45}mol of CuCl_{2} = 0.00744 mol of CuCl_{2}

0.00744 mol of CuCl_{2} produces 670 J of heat

So, 1 mol of CuCl_{2} produces \frac{670}{0.00744}J of heat or 90054 J of heat

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3 years ago
Calculate the mass in grams of each sample.
OlgaM077 [116]

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Explanation: I hope this helps!

4 0
3 years ago
The number at the end of an isotope's name is the number
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Atomic neutron mass electron number

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