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Sergio039 [100]
3 years ago
10

9)

Chemistry
2 answers:
Molodets [167]3 years ago
7 0
The correct answer is D
Serjik [45]3 years ago
7 0
This would be methane because if you mix them it makes gas
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Can someone balance these equations?
wolverine [178]

This is mind numbing, but I got you.

3NaOH + 1FeCl<em>3</em> = 1Fe(OH)<em>3 </em>+ 3NaCl

3Mg + 2H<em>3</em>(PO)<em>4</em> = 1Mg(PO<em>4</em>)<em>2</em> + 3H<em>2</em>

3 0
3 years ago
Write the equilibrium constant expression Kc for the following reaction.2H20(g) ---------&gt; O2(g) + 2H2(g) &lt;---------Do not
Komok [63]

Answer:

K_c\text{ = }\frac{[O_2][H_2]\placeholder{⬚}^2}{[H_2O]\placeholder{⬚}^2}

Explanation:

Here, we want to write the equilibrium constant expression

To write this, we raise the concentrations of the reactants and products to the coefficient before them. These concentrations are represented by square brackets in which the chemical formula of the compound is placed

We place the representation of the products over that of the reactants

We have the expression written as follows:

K_c\text{ =  }\frac{[H_2]\placeholder{⬚}^2[O_2]}{[H_2O]\placeholder{⬚}^2}

7 0
1 year ago
Planets X and Y orbit each other in space. Which changes would have the greatest effect on increasing the gravitational attracti
liubo4ka [24]

Answer:

halving, the mass of planet X and halving the distance between the planets

3 0
3 years ago
Which type of star has the greatest temperature on the HR diagram? Question 7 options: Red Supergiants Main Sequence White Dwarf
Sauron [17]

Answer:

Red supergiant

Explanation:

Their core is the hottest.

plz mark me as brainliest.

7 0
3 years ago
Which is a negative effect of deforestation on the environment? habitat restoration, desertification, soil production, or urbani
skad [1K]

Answer:

The correct option is desertification

Explanation:

Deforestation is the deliberate act of pulling down trees to provide a clear land for space or to make use of the trees for other purposes  such as grazing, farming, timber fire wood, building and constructions, urban utilization, access roads, expansion, development of infrastructures, grazing of cattle and mining

The effects of deforestation includes climate change, flooding, increase in the proportion of green house gases in the atmosphere, soil erosion and desertification.

8 0
3 years ago
Read 2 more answers
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