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N76 [4]
4 years ago
13

Consider this equation: 2.524 g (5.1 × 106 g) ÷ (6.85 × 103 g) = ? How many significant figures should the result have?

Chemistry
1 answer:
weqwewe [10]4 years ago
6 0

Answer:

7

Explanation:

2.524g(5.1)(106)g

(6.85)(103)g

=

1364.4744g2

705.55g

=

1364.4744g

705.55

=

1364.4744g

705.55

=1.933916g

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Nesterboy [21]
0.0454249 Liquid meters. 
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4 years ago
8. A sample of sulfur has a mass of 223 g. How many moles of sulfur are in the sample?
Rama09 [41]

Answer:

7 moles

Explanation:

1mole of sulfur=32

x=223

=6.9

=7moles

8 0
3 years ago
Need help on this ASAP !!!!
JulijaS [17]

Answer:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O.

Explanation:

To balance the equation, you should apply the law of conservation of mass for the equations.

The law of conservation of mass states that the no. of each atom is equal in both sides (reactants and products).

Hydrocarbon is burned in oxygen to produce CO₂ and H₂O.

So, the given equation is balanced as:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O.

that 1.0 mole of C₃H₈ is burned in 5.0 moles of O₂ to produce 3.0 moles of CO₂ and 4.0 moles of H₂O.

The no. of all atoms is the same in both of reactants and products side.

C (3), O (10), and H (8).

3 0
3 years ago
If you start with 3 moles of sodium and 3 moles of chlorine to produce sodium chloride, what is the limiting reagent?(You will n
Phoenix [80]

Answer:

B. Na

Explanation:

Once balanced you get 2Na + Cl₂ ⇒ 2NaCl. Sodium is the limiting reagent because it would produce the smallest amount of the product (NaCl)–while chlorine is the excess reagent. Based off of the Na in the balanced equation, it would produce 3 moles of NaCl, and for Cl₂ it would produce an excess of 6 moles of NaCl. [It'd be wise to utilize stoichiometric factors to get a good grasp of this]

6 0
3 years ago
Fran finds a dark-colored rock that she identifies as basalt. Which property gives the rock its dark color?
romanna [79]

Answer:

Mineral Content.

Explanation:

shape has nothing to do with the color displayed.

Nor does the grain size.

I don't know what banding is. Whatever it is, it is not the answer.

D: mineral content.

8 0
3 years ago
Read 2 more answers
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