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3 years ago

Burning biofuels releases co2 into the atmosphere, contributing to global warming. however, this is at least partially offset by

Chemistry

1 answer:

castortr0y [4]3 years ago

3 0

Photosynthesis in green plants during which CO2 is absorbed to form glucose

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What happens when an atom of sulfur combines with two atoms of chlorine to produce SCI2?

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Answer:..A.) Each chlorine atom shares a pair of electrons with the sulfur atom

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2 years ago

PLS HELP IT IS DUE TODAY IN 30 MINS PLS ANSWER 14 POINTS

Natali5045456 [20]

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Explanation:

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3 years ago

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Assume that Na+ is being transported across a membrane via facilitated diffusion. Which of the following conditions would allow

lesya [120]

Answer:

<h2>4. Na+ diffusing toward the side of the membrane with Cl− and 50% less Na+.</h2>

Explanation:

Facilitated diffusion is a type of transport mechanism in which the special proteins are involved and play an important role in the transport of the atoms, ions or molecules. This mechanism is based on the electrochemical gradient differences. When this difference increase, then the transport of the sodium takes place because sodium ions are chemically attracted by chloride ions. In a facilitated diffusion process, no energy requirement takes place. This process occurs along the concentration gradient.

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4 years ago

How many grams are in 4.5 x 10^22 molecules of Ba(NO2)2

NNADVOKAT [17]

Answer:

17 g Ba(NO₂)₂

General Formulas and Concepts:

Chemistry

Stoichiometry
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

Step 1: Define

4.5 × 10²² molecules Ba(NO₂)₂

Step 2: Define conversion

Molar Mass of Ba - 137.33 g/mol

Molar Mass of N - 14.01 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of Ba(NO₂)₂ - 137.33 + 2(14.01) + 4(16.00) = 229.35 g/mol

Step 3: Dimensional Analysis

$4.5 \cdot 10^{22} \ mc \ Ba(NO_2)_2(\frac{1 \ mol \ Ba(NO_2)_2}{6.022 \cdot 10^{23} \ mc \ Ba(NO_2)_2} )(\frac{229.35 \ g \ Ba(NO_2)_2}{1 \ mol \ Ba(NO_2)_2} )$

= 17.1384 g Ba(NO₂)₂

Step 4: Check

We are given 2 sig figs. Follow sig fig rules.

17.1384 g Ba(NO₂)₂ ≈ 17 g Ba(NO₂)₂

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3 years ago

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blagie [28]

I don't understand ur question

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3 years ago