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3 years ago

10

You are walking in a clear-cut section of forest a few days after a heavy rainstorm. A nearby stream is very muddy and has many

dead fish. What might have happened?

1 answer:

zhuklara [117]3 years ago

5 0

Answer:

the storm knocked down trees creating a dam blocking the path for water to move

Explanation:

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__C8H18(I) + __ O2(g) —> __Co2(g) + __H2O(g) Balance out the equation

Ymorist [56]

Answer:

2C8H18(l) + O2(g)--->CO2(g)+H2O

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2 years ago

What is respiration? Explain in your own words

Black_prince [1.1K]

Answer:

breathing

Explanation:

Your welcome lol

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2 years ago

Read 2 more answers

A solution is prepared by dissolving 215 grams of methanol, ch3oh, in 1000. grams of water. what is the freezing point of this s

Leya [2.2K]

Answer : The freezing point of the solution is, 260.503 K

Solution : Given,

Mass of methanol (solute) = 215 g

Mass of water (solvent) = 1000 g = 1 kg (1 kg = 1000 g)

Freezing depression constant = $1.86^oC/m=1.86Kkg/mole$

Formula used :

$\Delta T_f=K_f\times m\\T^o_f-T_f=K_f\times \frac{w_{solute}}{M_{solute}\times w_{solvent}}$

where,

$T^o_f$ = freezing point of water = $100^oC=273K$

$T_f$ = freezing point of solution

$K_f$ = freezing point constant

$w_{solute}$ = mass of solute

$w_{solvent}$ = mass of solvent

$M_{solute}$ = molar mass of solute

Now put all the given values in the above formula, we get

$273K-T_f=(1.86Kkg/mole)\times \frac{215g}{(32g/mole)\times (1kg)}$

By rearranging the terms, we get the freezing point of solution.

$T_f=260.503K$

Therefore, the freezing point of the solution is, 260.503 K

6 0

2 years ago

If you put 1000 J of heat energy into a bar of titanium and the bar's temperature rose

melisa1 [442]

Answer:

The mass of the bar is approximately 0.33 g.

Explanation:

q (heat in joules) = 1000 J

c (specific heat capacity) = 52 J/g°C

ΔT (change in temperature) = 80 - 22 = 58°C.

m (mass in grams) = ?

m = q / cΔT

m = 1000 J / (52 J/g°C) (58°C)

m = 0.33 g

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1 year ago

If 0.060 faraday is passed through an electrolytic cell containing a solution of In3+ ions, the maximum number of moles of In th

stira [4]

Answer: option B. 0.020 mole

Explanation:Please see attachment for explanation

8 0

3 years ago