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vladimir2022 [97]
3 years ago
5

1.

Chemistry
2 answers:
astraxan [27]3 years ago
7 0
1) electric energy

2) toaster

3) music heard from a radio
Fudgin [204]3 years ago
7 0

Answer:

1.Electrical energy

2. Toaster

3. Music heard from a radio

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Spell out full name of compound
Margarita [4]
Hydroxide is the full name of the compound.

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7 0
2 years ago
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2MG+O2 ...........2MGO
Galina-37 [17]
Mg + 1/2 O2 → MgO

1 mol = 24 g of Mg

X mol = 12 g of Mg

x = 0.5 moles of Mg

Mg :MgO = 1:1 (coefficient from equations using mole ratio)

So

0.5 moles of MgO

1 mol MgO = (24+16) g = 40 g

0.5 moles of MgO = 0.5 × 40

= 20 g of MgO produced
5 0
2 years ago
If you try to balance an equation by changing subscripts you change...
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2 years ago
The rate constant for this second‑order reaction is 0.610 M − 1 ⋅ s − 1 0.610 M−1⋅s−1 at 300 ∘ C. 300 ∘C. A ⟶ products A⟶product
Darya [45]

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Thus it takes 3.120 seconds for the concentration of  A to decrease from 0.860 M to 0.260 M.

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