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Cerrena [4.2K]
4 years ago
7

1.this substance is a natural non-living material with a uniform structure throughout

Chemistry
2 answers:
vovikov84 [41]4 years ago
7 0
1.Mineral
2.Igneous
3.Composition

QveST [7]4 years ago
5 0

1. Mineral

2. Igneous

3. Pressure

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What property do all gases share
aksik [14]

All gases share common physical properties. Like liquids, gases freely flow to fill the container they are in.

Hope this helps.

5 0
3 years ago
The acceleration due to gravity on earth is 9.80 m/s2. if the mass of a dog is 40.0 kg, what is the weight of the dog? 4 n 40 n
Elden [556K]
Weight = mass * acceleration

W = 40*9.8

= 392N
3 0
3 years ago
Read 2 more answers
Consider these equations: 2S(s)+3O2(g)→2SO3(g) , ΔH=−792kJ 2S(s)+2O2(g)→2SO2(g) , ΔH=−594kJ 2SO2(g)+O2(g)→2SO3(g) , ΔH=? What is
Elenna [48]

Hess law can help us to obtain the enthalpy of a series of reactions by summation. The missing enthalpy of this reaction is −198kJ.

<h3>What is  Hess law?</h3>

According to the Hess law of constant heat summation, the enthalpy of a sequence of reactions can be obtained as the sum of the enthalpies of all the reactions.

Now looking at all the reavtion written here in order to obtain the missing enthalpy, we conclude that the missing enthalpy is −198kJ.

Learn more about enthalpy: brainly.com/question/3393755

6 0
2 years ago
How many grams are there in 12.04 x 1024 molecules of H2O2?​
Kruka [31]

Answer:

34.01468 grams

Explanation:

4 0
3 years ago
How many liters of oxygen gas (O2) are needed to produce 100 kJ of energy at STP? 2C6H6(I) + 1502(g) —&gt; 12CO2(g)+6H2O(g)+3909
makkiz [27]

Answer: 8.59 L of oxygen gas are needed to produce 100 kJ of energy at STP

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

Standard condition of temperature (STP)  is 273 K and atmospheric pressure is 1 atmosphere respectively.  

1 mole of every gas occupy volume at STP = 22.4 L

The balanced chemical reaction is:

2C_6H_6(I)+15O_2(g)\rightarrow 12CO_2(g)+6H_2O(g)

3909.9 kJ of of energy is produced by  = 15\times 22.4=336L

100 kJ of oxygen gas are needed to produce = \frac{336}{3909.9}\times 100=8.59L

7 0
3 years ago
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