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Marat540 [252]
3 years ago
8

The beginning of this chemical equation represents the

Chemistry
2 answers:
tresset_1 [31]3 years ago
7 0

Answer:

cccccccccc

Explanation:

katovenus [111]3 years ago
5 0

Answer:

C. H₂SO₄

Explanation:

   Given expression:

         H₂O + SO₃  →   H₂SO₄

In the chemical reaction, the product and the reactant have the same species.

Chemical reactions obeys the law of conservation of matter.

This way, atoms combine with one another to give a desired product. The products will contain a mix of the reactants.

  • Fluorine is not part of the reactants
  • Carbon is not part of the reactants
  • Carbon is not part of the reactants.
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New concept cars in the Detroit Auto Show feature engines that burn hydrogen gas in air to produce water vapor. Suppose that fue
Maksim231197 [3]

Answer:

247.2g

Explanation:

Using the general gas law equation as follows:

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

According to the information in this question, a fuel tank contains 150. L (V) of H2 gas at 20.0 atm (P) at 25.0˚C (T)

Temperature = 25°C = 25 + 273 = 298K

Using PV = nRT

20 × 150 = n × 0.0821 × 298

3000 = 24.4658n

n = 3000/24.4658

n = 122.62

n = 122.6mol

Using the formula, mole = mass/molar mass, to find the mass of H2 gas.

Molar mass of H2 = 1.008(2)

= 2.016g/mol

122.6 = mass/2.016

mass = 122.6 × 2.016

mass = 247.2g.

3 0
3 years ago
Object a has a mass of 12 grams and a density of 3 grams centimeters cubed object B has a mass of 12 grams and a density of 5 gr
gregori [183]
Your answer is going to be A
8 0
3 years ago
What is the functional group of a carboxylic acid?
Talja [164]

Answer:

A. Carbon double bonded to oxygen and a hydroxyl group (OH).

4 0
3 years ago
Qué método utilizaría para separar los componentes de una mezcla de: limaduras de hierro, azufre en polvo y piedras?
Pachacha [2.7K]

Answer:

Traducción por favor

Explanation:

8 0
3 years ago
What type of reaction occurs without the addition of heat?
maria [59]

The type of reaction that occurs without the addition of heat is called spontaneous reaction. That is option D.

<h3>What is spontaneous reaction?</h3>

Spontaneous reaction is defined as the reaction where by new substances are formed naturally without the addition of extra energy in the form of heat.

Therefore, the type of reaction that occurs without the addition of heat is called spontaneous reaction

Learn more about heat here:

brainly.com/question/13439286

#SPJ1

5 0
2 years ago
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