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Alexus [3.1K]
3 years ago
14

Is baking soda a fine powder or is it coarse

Chemistry
1 answer:
sp2606 [1]3 years ago
8 0
Baking soda is a fine powder because when you touch it the baking soda is very soft
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If 5.58 g of iron reacts with sulfur to produce 8.79 g of iron sulfide, what is the mass of reacting sulfur? A) 3215 B) 14:37 C)
gogolik [260]

Answer: A) 3.21 g

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side.

Fe+S\rightarrow FeS

We are given:

Mass of iron = 5.58 g

Mass of iron sulphide = 8.79 g

Mass of sulphur = x g

Total mass on reactant side = 5.58 + x

Total mass on product side = 8.79 g

Applying law of conservation of mass, we get:

5.58+x=8.79\\\\x=3.21g

Hence, the mass of reacting sulfur is 3.21 g.

7 0
3 years ago
Are atoms of gold the same as antoms of oxygen? yes or no?​
schepotkina [342]

Answer:

No they are not the same the are both di

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Convert 850 mm Hg to kPa. *
Feliz [49]

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113.324 KPA

Explanation:

4 0
3 years ago
_______A representative element in the fourth period that is an alkaline earth
MariettaO [177]

Answer:calcium

Explanation: calcium is an alkaline earth metal,group 2 period 4

4 0
3 years ago
Kepler’s second law of planetary motion states which of the following?
aev [14]
Kepler stated three laws of planetary motion.

First law states that the pathway of a planet is an ellipse with the Sun at one of the foci.

Second law states that an imaginary line joining the Sun and a planet sweeps out equal areas during equal lengths of time.

Third law states that the square of the period of the orbit of a planet is directly proportional to the cube of the length of the distance from the Sun.

Therefore, the answer is that Kepler's second law of planetary motion states that planets cover the same area during equal time periods.
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3 years ago
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