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3 years ago

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Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of t

his reaction under standard conditions: 2C,H (9)+70,(9) 400 (9)+6,000 OO Round your answer to the nearest kJ. E n

1 answer:

Natasha2012 [34]3 years ago

7 0

Hard question !! Is this math .. if not then oh okay cause I’m bad at math but good at everything else so let me think about it !

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Dr. House took two liquids of different densities (p_1=1500 kg/m^3; p_2 = 500 kg/m^3) are poured together into a 0.1 m^3 tank fi

SVETLANKA909090 [29]

We know that:
mass = density x volume
The volume of the total mixture is 0.1 m³
Let the first liquid be A and the second be B
Mass Total = Mass A + Mass B

800 x 0.1 = 1500Va + 500(0.1 - Va)
30 = 1000Va
Va = 0.03 m³
Vb = 0.1 - 0.03 = 0.07 m³

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3 years ago

PLEASE HELP!!!!! I need help with this question!

Ivahew [28]

Answer:

Exothermic Reaction

Explanation:

Its a combustion reaction and they are always exothermic in nature.

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3 years ago

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tino4ka555 [31]

Answer:

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2 years ago

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Which of the following is not present in skeletal structures?

cupoosta [38]

Answer:

cartilage or soft tissue? you didn't give options :/

Explanation:

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3 years ago

If a block has the mass of 15.00 grams and measurements of 5.00cm by 3.00cm by 2.00cm what is the volume of the block?

Natalija [7]

Answer:

Volume = 30cm³

Explanation:

A block is a geometrical figure and its volume, -look at the figure-, follows the equation:

Volume = Width*Length*Height

As the measurements of the block are 5.00cm, 3.00cm and 2.00cm, the volume is:

Volume = 5.00cm*2.00cm*3.00cm

<h3>Volume = 30cm³</h3>

3 0

3 years ago