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Sveta_85 [38]
3 years ago
10

Please help time is of the essence:

Chemistry
1 answer:
Juliette [100K]3 years ago
4 0
The Indicator changes color in a titration is Indicator Point 
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what conclusion can be drawn from the statement that the element has a high ionization energy and a small atomic size?
nignag [31]

Answer: What conclusion can be drawn from the statement that an element has high ionization energy and small atomic size? The element is most likely from Group 1A or 2A and in period 1 or 2. Describe how the atomic radius of an element is related to metallic character.

Explanation:

3 0
3 years ago
Elements in the periodic are listed according to
sammy [17]

Answer:

the raising atomic number

Explanation:

Elements are listed on the periodic table according to their atomic number.

6 0
4 years ago
What is the momentum of a 3 kg bowling ball moving at 3 m/s
kvv77 [185]

Answer:

<h2>9 kg.m/s</h2>

Explanation:

The momentum of an object can be found by using the formula

momentum = mass × velocity

From the question we have

momentum = 3 × 3

We have the final answer as

<h3>9 kg.m/s</h3>

Hope this helps you

8 0
3 years ago
Two disadvantages of using biomass as a source of energy.
murzikaleks [220]
1)Agricultural wastes will not be available if the basic crop is no longer grown.
<span>2.)Land used for energy crops maybe in demand for other purposes, such as faming, conservation, housing, resort or agricultural use.</span><span> </span>
5 0
4 years ago
011 1.0 points What energy change is associated with the reaction to obtain one mole of H2 from one wang (ew22622) – 19D Thermod
vlada-n [284]

Answer:

<em>249 kJ</em>

Explanation:

To obtain the energy change of the reaction:

H₂O → H₂ + ¹/₂ O₂

It is necessary to obtain the difference between bond energy of the products and bond energy of the reactant, thus:

Energy of products:

1 mol of H-H bond × 436 kJ/mol = 436 kJ

¹/₂ mol of O=O bond × 498 kJ/mol = 249 kJ

Energy of reactant:

2 mol of H-O bond × 467 kJ/mol = 934 kJ

Energy change of the reaction is:

934 kJ - (436 kJ + 249 kJ) = <em>249 kJ</em>

<em></em>

I hope it helps!

4 0
4 years ago
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