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frosja888 [35]
3 years ago
14

Lead(2) sulfate yields to lead(2)sulfite and oxygen

Chemistry
1 answer:
PolarNik [594]3 years ago
4 0
A standardized test of what you want to do with your friends and you get to know what you think you want to be tre
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Which two elements have properties that are the most similar?
elena-14-01-66 [18.8K]

Answer:

The answer to your question is letter b) He and Ne

Explanation:

Elements that have similar properties are placed in the same group in the periodic table.

So

A C and F  These elements do not have similar properties because C is in group 4A and F is in group 7A. This is not the right answer.

B He and Ne  These elements have similar properties becase they are in the same group (8A).

C Al and Si  These elements do not have similar properties because Al is in group 3A and Si is in group 4A. This is not the right answer.

D N and S These elements do not have similar properties because N is in group 5A and S is in group 6A. This is not the right answer.

4 0
3 years ago
In a mixture of He, O, and N, gases He exerts a partial pressure of 15.22 mm Hg and
gayaneshka [121]

Answer:

P(N)  = 38.48 mmHg

Explanation:

Given data:

Partial pressure of He = 15.22 mmHg

Partial pressure of O = 35.21 mmHg

Partial pressure of N = ?

Total pressure = 88.91 mmHg

Solution:

According to Dalton law of partial pressure,

The total pressure inside container is equal to the sum of partial pressures of individual gases present in container.

Mathematical expression:

P(total) = P₁ + P₂ + P₃+ ............+Pₙ

Now we will solve this  problem by using this law.

P(total) = P(He) + P(O) + P(N)

88.91 mmHg = 15.22 mmHg + 35.21 mmHg + P(N)

88.91 mmHg = 50.43 mmHg + P(N)

P(N)  = 88.91 mmHg  - 50.43 mmHg

P(N)  = 38.48 mmHg

7 0
3 years ago
Atoms of two different elements must have different
attashe74 [19]
Atomic number The atomic number of each element is different than other Elements.
8 0
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Which of earth's spheres is most affected by weathering and erosion
Natali [406]

Answer: the hydrosphere

Explanation:

3 0
3 years ago
The variables _______ and ________ affect the gravitational force between objects.
anastassius [24]
I think the answer is A
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3 years ago
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