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ozzi
3 years ago
11

Based on this graph, select all correct responses pertaining to metal A and metal B.

Chemistry
2 answers:
Sindrei [870]3 years ago
7 0

Answer:

I dont understand what your asking

Explanation:

Amiraneli [1.4K]3 years ago
3 0

Answer:

The graph does not appear.

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Caffeine (C8H10N4O2) is a stimulant found in coffees and teas. When dissolved in water, it can accept a proton from a water mole
Olenka [21]

Answer:

See figure 1

Explanation:

If we want to find the acid and the Brønsted-Lowry base, we must remember the definition for each of these molecules:

-) Acid: hydrogen donor

-) Base: hydrogen acceptor

In the <u>caffeine structure,</u> we have several atoms of nitrogen. These nitrogen atoms have the ability to <u>accept</u> hydronium ions (H^+). Therefore the caffeine molecule will be the base since it can accept

If caffeine is the base, the water must be the acid. So, the water in this reaction donated a hydronium ion.

<u>Thus, caffeine is the base and water the acid. (See figure 1)</u>

3 0
3 years ago
Electron A falls from energy level X to energy level Y and releases blue light. Electron B falls from energy level Y to energy l
MrMuchimi

Answer: Transition from X to Y will have greater energy difference.

Explanation: For studying the energy difference, we require Planck's equation.

                                E=\frac{hc}{\lambda}

where, h = Planck's Constant

c = Speed of light

E = Energy

\lambda = Wavelength of particle

From the equation, it is visible that the energy and wavelength follow inverse relation which means that with low wavelength value, energy will be the highest and vice-versa.

As electron A falls from X-energy level to Y-energy level, it releases blue light which has low wavelength value (around 470 nm) which means that it has high energy.

Similarly, Electron B releases red light when it falls from Y-energy level to Z-energy level, which has high wavelength value (around 700 nm), giving it a low energy value.

Energy Difference between X-energy level and Y-energy level will be more.


5 0
4 years ago
Simple machines make work easier. Most simple machines reduce the amount of effort force needed to move an object. This cart has
tino4ka555 [31]
Sorry I skate and usually the smaller wheel rolls faster. Try C. then It's like longboard wheels they roll pretty fast.
7 0
4 years ago
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The amount of energy it takes to remove an electron from an atom is
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<span> the first ionization </span>energy<span> of an element is the </span>energy<span> needed to</span>remove<span> the outermost, or highest </span>energy<span>, </span>electron<span> from a neutral </span>atom<span> in the gas phase.</span>
3 0
3 years ago
Add 3 x 10^9 +5.3 x 10^10
Ghella [55]
<span>Add 3 x 10^9 +5.3 x 10^10

</span><span>   3 x 10^9
 +5.3 x 10^10
</span>------------------
5.6 x 10^10
8 0
3 years ago
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