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Tanya [424]
3 years ago
13

Which of the following represent chemical properties? Check all that apply. Question 16 options: solubility flammability conduct

ivity oxidation boiling point density odor combustibility
Chemistry
2 answers:
mars1129 [50]3 years ago
8 0
Flammability, oxidation, odor, combustibility
Brut [27]3 years ago
4 0

Answer:

it is shape and hardness

Explanation:

the top answer is wrong cause i took the lesson on edge

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How many moles of water would form the reaction of exactly 58.3 grams of magnesium hydroxide
Marat540 [252]

Answer:

\boxed{\text{2.00 mol}}

Explanation:

We know we will need a balanced chemical equation with masses and molar masses, so, let's gather all the information in one place.

You don't tell us what the reaction is, but we can solve the problem so long as we balance the OH.

M_r:      58.32

          Mg(OH)₂ + … ⟶ … + 2HOH

m/g:       58.3

(a) Moles of Mg(OH)₂

\text{Moles of Mg(OH)$_{2}$} =\text{58.3 g Mg(OH)$_{2}$} \times \dfrac{\text{1 mol Mg(OH)$_{2}$}}{\text{58.32 g Mg(OH)$_{2}$}}\\\\=\text{0.9997 mol Mg(OH)$_{2}$}

(b) Moles of H₂O

The molar ratio is 2 mol H₂O = 1 mol Mg(OH)₂.

\text{Moles of H$_{2}$O}= \text{0.9995 mol Mg(OH)$_{2}$} \times \dfrac{\text{2 mol {H$_{2}$O}}}{ \text{1 mol Mg(OH)$_{2}$}}\\\\= \textbf{2.00 mol H$_{2}$O}

The reaction will form \boxed{\textbf{2.00 mol}} of water.

6 0
3 years ago
This graph shows the solution to the inequality y > 3x + 14 and y < 3x + 2
erik [133]

For apex the answer is no solution

7 0
3 years ago
1 point
Elina [12.6K]

Answer:

84672 J

Explanation:

From the question given above, the following data were obtained:

Height (h) = 72 m

Combined mass (m) = 120 Kg

Acceleration due to gravity (g) = 9.8 m/s²

Energy (E) =?

We can obtain the energy by using the following formula:

E = mgh

Where

E => is the energy.

g => is the acceleration due to gravity

m => is the mass.

h => is the height.

E = 120 × 9.8 × 72

E = 84672 J

Thus, the energy is 84672 J

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3 years ago
Wht is this called<br>N which chain does it belong​
german

Answer:

national

Explanation:

I don't understand, I'm sorry

5 0
3 years ago
Loudness is expressed in
Archy [21]

Answer:

Decibel

Explanation:

6 0
3 years ago
Read 2 more answers
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