Safety considerations • Sodium Hydroxide (please insert one statement of caution from MSDS)

Balance _Mg + _HCL = _MgCl2 + H2

Pavel [41]

_Mg + _HCL = _MgCl2 + H2
Separate the terms on each side:

_Mg + _HCl = _MgCl2 + H2

Mg- 1 Mg-1

H-1 H-2

Cl-1 Cl-2

Mg is balanced on both sides so move on to the next (put a 1 in the space).

1Mg

There are two H's and two Cl's on the results side, so to balance the equation put a 2 as a coefficient for HCl and it'll all balance out.

2HCl

Balamced equation will be:

1Mg + 2HCL = 1MgCl2 + H2

5 0

2 years ago

Read 2 more answers

Since the number of atoms in a substance is so large , a unit to count them was created. This unit is the number of atoms in 12

larisa86 [58]

The number of atoms in one mole of any substance is measured by Avogadro's number. The value of Avogadro's number is 6.023 x 10 ^23. It is named after scientist Avogadro who proposed this number. 12 grams of carbon-12 represents 1 mole of carbon-12. For this reason, the number of atoms present in 1 mole of any substance is 6.023 x 10 ^23. Therefore, the number of atoms present in 1 mole carbon-12 is 6.023 x 10^23.

(Answer) This unit is the number of atoms in 12 grams of carbon-12 and known as Avogadro's number.

7 0

2 years ago

A 4.7g sample of ethanol is burned in a calorimeter containing 95.8 mL of water. If the initial temperature of the water is 29.1

Anna11 [10]

Answer:

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You're like a dream

I wanna believe

Hit you with some truth

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I can't even lie

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Feel it when you're close to me

And out of reach

And in between

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And out of reach

And in between

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Feel it when you're close to me

And out of reach

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8 0

2 years ago

Water has a density of 1 g/cc. If you have 1 cc of water, how much mass does it contain?

rewona [7]

Water has a density of 1 g/cc. If you have 1 cc of water, then the mass it contains would be 1 g. Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance. Hope this answers the question. Have a nice day.

6 0

2 years ago

3. Given the reaction:

sesenic [268]

Answer:

Attached

Explanation:

3 0

1 year ago