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lesya692 [45]
3 years ago
9

Formula weight of H2CO3

Chemistry
2 answers:
xz_007 [3.2K]3 years ago
8 0
O
. ll
H C H ...that is the formula weight of H2CO3
\ / \ /
O O
saw5 [17]3 years ago
4 0
The relative formula weight is also known as the relative molecular mass (RMM). The RMM of a compound can be found by adding up the relative atomic masses (RAM) of each of its atoms, therefore for H2CO3:
RMM = 2*RAM(H) + RAM(C) + 3*RAM(O)
         = 2*1.0 + 12.0 + 3*16.0 = 62.0 g/mol
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Answer:

121 K

Explanation:

Step 1: Given data

  • Initial volume (V₁): 79.5 mL
  • Initial temperature (T₁): -1.4°C
  • Final volume (V₂): 35.3 mL

Step 2: Convert "-1.4°C" to Kelvin

We will use the following expression.

K = °C + 273.15 = -1.4°C + 273.15 = 271.8 K

Step 3: Calculate the final temperature of the gas (T₂)

Assuming ideal behavior and constant pressure, we can calculate the final temperature of the gas using Charles' law.

V₁/T₁ = V₂/T₂

T₂ = V₂ × T₁/V₁

T₂ = 35.3 mL × 271.8 K/79.5 mL = 121 K

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3 years ago
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Answer:

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Explanation:

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water is also binary because it is also made up of only two elements hydrogen and oxygen.

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Two or more compounds that have same molecular formula but differ in the arrangement of atoms in molecule and thus posses different properties are known as isomers.

The molecular formula of pentane is C_5H_1_2 substituting one hydrogen from pentane with bromine results in the formation of monobromo derivatives of pentane having molecular formula, C_5H_1_1Br.

The structure of monobromo derivatives of pentane that is 1-bromopentane, 2-bromopentane, and 3-bromopentane and having molecular formula, C_5H_1_1Br is shown in the image.

The other two arrangements of monobromo derivatives of pentane that is 2-bromo-2-methylbutane and 2-bromo-3-methylbutane is shown in the image.

There are different structures of monobromo derivatives of pentane having molecular formula, C_5H_1_1Br which contain a 4-carbon chain are 1- bromo-2-methylbutane and 1-bromo-3-methylbutane shown in the image.

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3 years ago
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Julli [10]

Answer:

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