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bonufazy [111]
3 years ago
14

A _____ equation is a chemical equation that does not indicate relative amounts of reactants and products. A. balanced B. activi

ty C. coefficient D. skeleton
Chemistry
1 answer:
Alla [95]3 years ago
8 0
A Skeleton equation is a chemical equation that does not indicate relative amounts of reactants and products. Answer: D)
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How many grams of Pb and FeSO4 are required to produce 200 grams of PbSO4?, what mass of Fe is also produced?
Akimi4 [234]

Explanation:

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6 0
3 years ago
If you have 3.48 x 1023 formula units of Lead (II) Permanganate, what is its mass?
Tanya [424]

Answer:

\large \boxed{\text{257 g}}

Explanation:

We can convert the formula units to moles and then use the molar mass to find the mass.

1. Moles of Pb(MnO₄)₂

n = 3.48 \times 10^{23}\text{ formula units} \times \dfrac{\text{1 mol}}{6.022 \times 10^{23}\text{ formula units}} = \text{0.5779 mol}

 

2. Mass of Pb(MnO₄)₂

\text{Mass} = \text{0.5779 mol} \times \dfrac{\text{445.07 g}}{\text{1 mol u}} = \text{257 g}\\\\\text{The mass of lead(II) permanganate is $\large \boxed{\textbf{257 g}}$}

4 0
4 years ago
Research the ecology of your region and find one species that is endangered. Find an estimate of the population of the species i
Elza [17]

The endangered species in my region with their estimate population are:

  • Northwestern African Cheetah -  250
  • West African Lion -  400

<h3>What threat faces Northwestern African Cheetah?</h3>

This cheetah is said to be an endangered species because of their loss of their habitat and  also due to fragmentation, trade and little human-activities.

West African Lion is said to be an endangered species because the lion's historic range in West Africa was said to be lowered by a lot of amount or scale as a result of land use changes and human activities such as falling of trees, buildings, etc.

Hence the endangered species in my region with their estimate population are:

  • Northwestern African Cheetah -  250
  • West African Lion -  400

Learn more about endangered species from

brainly.com/question/19655487

#SPJ1.

8 0
2 years ago
4. Which statement is true?
Marta_Voda [28]

Answer:

d

Explanation:

Hope this helps and have a great day!!!

6 0
3 years ago
When carbon dioxide gas is dissolved in water, the carbon dioxide gas is called the:
kipiarov [429]
It's being dissolved so it's the solute
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3 years ago
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