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3 years ago

How many moles of C6H12O2 are needed to get 12 moles of CO2

Chemistry

1 answer:

Bogdan [553]3 years ago

8 0

Answer:

2 moles of C6H12O2

Explanation:

First, we'll begin by writing a balanced equation for the reaction showing how CO2 is produce from C6H12O2.

This is illustrated below:

C6H12O2 + 8O2 —> 6CO2 + 6H2O

From the balanced equation above,

1 mole of C6H12O2 produced 6 moles of CO2.

Therefore, Xmol of C6H12O2 will produce 12 moles of CO2 i.e

Xmol of C6H12O2 = 12/6 = 2 moles

Therefore, 2 moles of C6H12O2 are needed to produce 12 moles of CO2

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What is the volume of 40.0 grams of argon gas at STP ?

MrRa [10]

Answer:

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General Formulas and Concepts:

Atomic Structure

Reading a Periodic Table
Moles
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

Aqueous Solutions

States of Matter

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

[Given] 40.0 g Ar

[Solve] L Ar

Step 2: Identify Conversions

[PT] Molar Mass of Ar - 39.95 g/mol

[STP] 22.4 L = 1 mol

Step 3: Convert

[DA] Set up: $\displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})$
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Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

24.9235 L Ar ≈ 24.9 L Ar

5 0

3 years ago

Agustina was standing on the edge of a cliff of unknown height holding a bowling ball. She wanted to find the height of the clif

nlexa [21]

Answer:

433 m

Explanation:

Since the fall represents motion under gravity, we use the equation

s = ut - 1/2gt² where s = height of cliff or distance bowling ball falls through, u = initial velocity of bowling ball = 0 m/s(since it starts from rest), t = time = 9.4 s and g = acceleration due to gravity = -9.8 m/s².

So, substituting the values of the variables into the equation, we have

s = 0 m/s × 9.4 s - 1/2 × 9.8 m/s² × (9.4 s)²

s = 0 m - 1/2 × -9.8 m/s² × 88.36 s²

s = 1/2(865.928 m)

s = 432.964

s ≅ 433 m

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3 years ago

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mafiozo [28]

The answer would be C

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Xelga [282]

Answer:

B. Excited state

Explanation:

Energy levels higher than the ground state are called the excited states. This concept is based on the premise that electrons can move round the nucleus in certain permissibe orbits or energy levels.

The ground state is the lowest energy state available to the electron. This is usually the most stable state.

The excited state is any level higher than the ground state. An electron in an energy level has a definite amount of energy associated with it at that level.

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3 years ago

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4 years ago

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