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Alik [6]
3 years ago
10

Which student is responses are correct?​

Chemistry
1 answer:
irga5000 [103]3 years ago
7 0

Answer:

Neutrons: Electron cloud

Explanation:

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Find the area of a vegetable garden that is 4.83m long and 3.4m wide. Give your answer to the correct significant figure. (use t
sergejj [24]

Answer:

The area of vegetable garden is 16.422 m².

Explanation:

Given data:

Length = 4.83 m

Width = 3.4 m

Area = ?

Solution:

Formula:

Area = length × width

Area is measured in square unit.

By putting the values in formula:

Area = length × width

Area = 4.83 m × 3.4 m

Area = 16.422 m²

The area of vegetable garden is 16.422 m².

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3 years ago
How many hydrophobic tails does a triacyl glycerol molecule have?
liberstina [14]
Three identical fatty acid tails, or three different fatty acid tails (with different lengths or patterns of double bonds).
8 0
2 years ago
Calculate the work (kJ) done during a reaction in which the internal volume expands from 20 L to 43 L against an outside pressur
Alenkinab [10]

Answer:

\large \boxed{\text{-10.0 kJ}}

Explanation:

1. Calculate the work

w = - pΔV = -4.3 atm × (43 L - 20 L) = -4.3 × 23 L·atm = -98.9 L·atm

2. Convert litre-atmospheres to joules

w = \text{-98.9 L\cdot$atm } \times \dfrac{\text{101.3 J}}{\text{1 L$\cdot$atm }} = \text{-10000 J} = \textbf{-10.0 kJ}\\\\\text{The work done is $\large \boxed{\textbf{-10.0 kJ}}$}

The negative sign indicates that the work was done against the surroundings.

4 0
3 years ago
Consider this reaction: Fe2O3 + S → Fe + SO2 Reduction half-reaction: 2Fe+3 + 6e- → 2Fe Oxidation half-reaction: S → S+4 +4e- Af
artcher [175]

Answer:

Fe= 4

SO2=3

Explanation:

8 0
3 years ago
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How many molecules of water will be produced if 52.6 g of methane are burned?
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B there thanksgiving
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