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s2008m [1.1K]
2 years ago
6

4.1 shows a plant cell. g For Examiner's Use n. C D Fig. 4.1 (i) Name the type of plant cell shown in Fig. 4.1. [1]​

Chemistry
1 answer:
Vinil7 [7]2 years ago
7 0

Answer:

palisade cell due to presence of chloroplasts

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How many total electrons and valence electrons are in the following? (two answers for each compound)
Ivenika [448]

Answer:

o2=-2

h20=2

Explanation:

.............

8 0
3 years ago
I will give brainliest. Which one of the choices below is the best definition of a force?
bezimeni [28]

Answer:

A

Explanation:

a push or pull on an object

5 0
3 years ago
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Balance the following reaction.<br> C₂H6+ Cl2<br> C2H4Cl2 +<br> HCI
julsineya [31]

Answer:

C2H6 + 2 Cl2 = C2H4Cl2 + 2 HCl

Explanation:

8 0
3 years ago
If 3.0 g of NH3 reacts with 5.0 g of HCl, what is the limiting reactant?
ELEN [110]
<h2>Answer:HCl</h2>

Explanation:

\text{number of moles}=\frac{\text{given mass}}{\text{molar mass}}

For NH_{3},

\text{given mass}=3g

\text{molar mass}=14+3=17g

n_{NH_{3}}=\frac{3}{17}=0.176

For HCl,

\text{given mass}=5g

\text{molar mass}=1+35.5=36.5g

n_{HCl}=\frac{5}{36.5}=0.136

The reaction between NH_{3} and HCl is

NH_{3}+HCl→NH_{4}Cl

So,one mole of NH_{3} requires one mole of HCl

0.176 moles of NH_{3} requires 0.176 moles of HCl

But there are only 0.136 moles of HCl available.

HCl will be consumed first.

So,HCl is the limiting reagent.

7 0
3 years ago
What is the value for AG at 100 Kif AH = 27 kJ/mol and AS = 0.09 kJ/(mol-K)?
Elina [12.6K]

Answer:

ΔG =   18KJ/mol

Explanation:

Given data:

ΔS = 0.09 Kj/mol.K

ΔH = 27 KJ/mol

Temperature  = 100 K

ΔG = ?

Solution:

Formula:

ΔG = ΔH - TΔS

ΔH = enthalpy

ΔS = entropy

by putting values,

ΔG =  27 KJ/mol - 100K(0.09 Kj/mol.K)

ΔG =  27 KJ/mol - 9 KJ/mol

ΔG =   18KJ/mol

7 0
2 years ago
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