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3 years ago

6

Hey man forgets that he said his coffee cup on the top of his car he starts to drive in the coffee cup rolls off the car onto th

e road how does the scenario demonstrate the first law of motion

1 answer:

Lyrx [107]3 years ago

8 0

It would move due to it not being<span> the same speed and in the same direction so it is acted upon by an unbalanced force.</span>

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What were Lamarck's ideas about evolution and why were those ideas incorrect

kow [346]

What were Lamarck's ideas about evolution and why were those ideas incorrect

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3 years ago

Read 2 more answers

The following thermochemical equation is for the reaction of Fe 3 O 4 (s) with hydrogen (g) to form iron and water vapor Fe 3 O

Mila [183]

Answer:

41.3kJ of heat is absorbed

Explanation:

Based in the reaction:

Fe₃O₄(s) + 4H₂(g) → 3Fe(s) + 4H₂O(g) ΔH = 151kJ

<em>1 mole of Fe3O4 reacts with 4 moles of H₂, 151kJ are absorbed.</em>

63.4g of Fe₃O₄ (Molar mass: 231.533g/mol) are:

63.4g Fe₃O₄ × (1mol / 231.533g) = <em>0.274moles of Fe₃O₄</em>

These are the moles of Fe₃O₄ that react. As 1 mole of Fe₃O₄ in reaction absorb 151kJ, 0.274moles absorb:

0.274moles of Fe₃O₄ × (151kJ / 1 mole Fe₃O₄) =

<h3>41.3kJ of heat is absorbed</h3>

<em />

6 0

4 years ago

Consider the molecular orbital energy level diagrams for O2 and NO. Which of the following is true? I. Both molecules are parama

Triss [41]

Answer:

I and IV are the correct answers

Explanation:

3 0

3 years ago

If 1.20 g of aluminum hydroxide reacts with 3.00 g of sulfuric acid, what is the mass of water produced?

BabaBlast [244]

it would be 342 acid

4 0

4 years ago

I Need Help ASAP! 50 POINTS!!!

Nat2105 [25]

Answer:

The answer is

$3.313 \times {10}^{ - 19} \: \: \: J$

Explanation:

The energy of a photon can be found by using the formula

<h3>E = hv</h3>

where

E is the energy

v is the frequency

h is the Planck's constant which is

6.626 × 10-³⁴ Js

From the question

v = 5.0 × 10¹⁴ Hz

So the energy is

$E = 5.0 \times {10}^{14} \times 6.626 \times {10}^{ - 34} \\$

We have the final answer as

$3.313 \times {10}^{ - 19} \: \: \: J$

Hope this helps you

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3 years ago