3 years ago

A person with a mass of 105 kg moves at a velocity of 1.5 m/s what is this person momentum?

Chemistry

1 answer:

Bas_tet [7]3 years ago

5 0

Answer:

225kg.m.s

Explanation:

Momentum equals to mass times velocity

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. A ________________ is formed when two or more ______electrons____ bond by a covalent bond.

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The first blank is Covalent compound
For the second blank, you are correct, though you may elaborate by specifying 'valence' electrons

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3 years ago

How do ecosystems respond to natural disasters such as fires and floods?

Dafna11 [192]

Answer:

How do ecosystems respond to natural disasters such as fires and floods :

Explanation:

They recover in stages, gradually returning to the original system. … She plans to create various physical and biological disturbances in the ecosystem to see how populations change over time.

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2 years ago

Ferris & Mona used the ORP sensor to titrate a ferrous ammonium sulfate solution, (NH4)2Fe(SO4)2 with KMnO4 titrant.

DIA [1.3K]

Answer:

The correct option is: A. 0.168 M

Explanation:

Chemical reaction involved:

5 Fe²⁺ (aq) + MnO₄⁻ (aq) + 8 H⁺ (aq) → 5 Fe³⁺ (aq) + Mn²⁺ (aq) + 4 H₂O

Given: For MnO₄⁻ solution-

Number of moles: n₁ = 1, Volume: V₁ = 20.2 mL, Concentration: M₁ = 0.0250 M;

For Fe²⁺ solution:

Number of moles: n₂ = 5, Volume: V₂ = 15 mL, Concentration: M₂ = ?M

To find out the concentration of Fe²⁺ solution (M₂), we use the equation:

$\frac{M_{1}\times V_{1}}{n_{1}} = \frac{M_{2}\times V_{2}}{n_{2}}$

$\frac{0.0250 M\times 20.2 mL}{1} = \frac{M_{2}\times 15 mL}{5}$

$0.505 = M_{2}\times 3$

$M_{2} = \frac{0.505}{3} = 0.168M$

Therefore, the concentration or molarity of Fe²⁺ solution: M₂ = 0.168 M

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3 years ago

What is the mass in grams of 1.8 mol of Magnesium Sulfide?

Rasek [7]

Answer:

101.466000

Explanation:

N/A

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3 years ago

Please help fast I WILL MARK YOU AS BRAINLIEST

Elan Coil [88]

Answer:

Explanation:

all the atoms must be balanced.

3 0

3 years ago