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3 years ago

13

How does the water cycle help determine climate around the world?

2 answers:

xxMikexx [17]3 years ago

5 0

B. The water cycle redistributes water in different patterns that make different areas have different climate.

VladimirAG [237]3 years ago

4 0

B, not every place has the same evaporation rate, but it does redistribute water and areas have different climates.

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5. If a truck goes 30 miles in 30 minutes, what is its average speed?

Shtirlitz [24]

Answer:

1 hour

Explanation:

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4 years ago

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An element of Group II loses two electrons in the process of a chemical combination. What is its ionic charge?

otez555 [7]

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3 years ago

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Given the following chemical reaction:202 CH4 CO2 2 H20What mass of CH4 is required to completely react with 100 grams of O2?

Helga [31]

Molar mass:

O₂ = 32.0 g /mol CH₄ = 16.0 g/mol

2 O₂ + CH₄ = CO₂ + 2 H₂O

2 x 32 g O₂ ---------------> 16 g CH₄
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4 years ago

2Li + H2SO4=Li2SO4 + H2 How many liters of hydrogen gas, H2 at STP can be produced from 3.0 moles of Li? The molar volume of a g

Gemiola [76]

Answer:

volume of $H_2=33.6 litre$

Explanation:

Firstly balance the given chemical equation,

$2Li + H_2SO_4=Li_2SO_4 + H_2$

From the given balance equation it is clearly that,

2 mole of Li gives 1 mole of H2 gas

$2 mole Li$ ⇔ $1 mole H_2$

$1 mole Li$ ⇔ $0.5 mole H_2$

$3 mole Li$ ⇔ $1.5 mole H_2$

hence

3 mole of Li will give 1.5 mole H2 gas

therefore volume of gas produced from 3 mole Li at $STP = 1.5\times22.4 \frac{L}{mol}$

volume of H2=33.6 litre

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3 years ago

NEED ASAP WILL GIVE BRAINLIST

inysia [295]

Answer:

It have 31 electrons

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3 years ago