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3 years ago

BRAINLIESTTT ASAP!! PLEASE HELP ME ASAP!

Chemistry

1 answer:

Artyom0805 [142]3 years ago

7 0

Answer:

Here's what I get.

Explanation:

There are many ways of classifying a reaction. Here are some that can apply to yours.

A. Combination or synthesis

Two or more elements combine to form a single compound.

B. Redox or reduction/oxidation

One element is oxidized, and another is reduced.

For example, the oxidation number of N is reduced from 0 to -3, and that of H is increased from 0 to +1.

C. Gas phase reaction

All reactants and products are gases (although the reaction is extremely slow without a solid catalyst).

D. Homogeneous

All substances are in the same phase (if you aren’t using a solid catalyst).

The main types of reaction are

Combination

Decomposition
Single displacement
Double displacement
Combustion
Redox

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What volume. In liters, of H2O(g) measured at STP is produced by the combustion of 15.63 g of natural gas (CH4) according to the

fomenos

Answer:

V = 43.95 L

Explanation:

Given data:

Mass of CH₄ decomposed = 15.63 g

Volume of H₂O produced at STP = ?

Solution:

Chemical equation:

CH₄ + 2O₂ → 2H₂O + CO₂

Number of moles of CH₄:

Number of moles = mass/molar mass

Number of moles = 15.63 g/ 16 g/mol

Number of moles = 0.98 mol

Now we will compare the moles of H₂O with CH₄.

CH₄ : H₂O

1 : 2

0.98 : 2×0.98 = 1.96 mol

Volume of hydrogen:

PV = nRT

1 atm × V = 1.96 mol × 0.0821 atm.L/mol.K × 273.15 K

V = 43.95atm.L / 1atm

V = 43.95 L

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Force = 2.32 N<br> Acceleration = 0.19 m/s2<br> Mass= ?

Mkey [24]

mass = 12.2 kg

Explanation:

To find the mass we use the following formula (Newton's Second Law of Motion):

force = mass × acceleration

mass = force / acceleration

mass = 2.32 N / 0.19 m/s²

mass = 12.2 kg

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<h3>Explanation</h3>

What's the definition of Bronsted-Lowry acids and bases?

Bronsted-Lowry Acid: a species that can donate one or more protons $\text{H}^{+}$ in a reaction.

Bronsted-Lowry Base: a species that can accept one or more protons $\text{H}^{+}$

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