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elena55 [62]
3 years ago
7

2. Which is NOT true? Higher temperatures are indications of higher average kinetic energy. Temperature is a measure of the aver

age kinetic energy of the molecules in a substance. As molecules in a sample move faster, the average kinetic energy will be higher. As the molecules in a sample move faster, the temperature reading will be lower.
Chemistry
1 answer:
kirza4 [7]3 years ago
8 0

"As the molecules in a sample move faster the temperature reading will be lower" is not true.

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Which one has the larger ionization energy ??
natita [175]

Answer:

Ne has the larger ionization energy

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8 0
2 years ago
What is the charge on an atom with an equal number of protons and electrons?
dexar [7]

Answer: the answer is a netrual bond

Explanation: a netural bond happens when the number of electrons are the same as the number of protons.

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3 years ago
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1. Calculate the energy of a photon with a frequency of 3x1015 Hz.<br> ?????
Afina-wow [57]

Answer:

1.99 x 10⁻¹⁸J

Explanation:

Given parameters:

Frequency of the wave  = 3 x 10¹⁵Hz

Unknown:

Energy of the photon  = ?

Solution:

To solve this problem, we use the expression below;

     E  = hf

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Now insert the parameters and solve for E;

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6 0
3 years ago
Which of the following statements about the carbon cycle is NOT true?
nalin [4]

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Plants consume carbon through transpiration

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3 0
3 years ago
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A compound is 54.53% c, 9.15% h, and 36.32% o by mass. what is its empirical formula? the molecular mass of the compound is 132
Yakvenalex [24]
 <span>First - you need the empirical formula. 

So, assume you have 100 g of the compound. 

If so, you'll have 54.53 gram of C, 9.15 g of H and 36.32 g of O. Find the number of moles of each. 

54.53 g C (1 mole C / 12.01 g C) = 4.540 

9.15 g H (1 mole H / 1.008 g H) = 9.077 

36.32 g O (1 mole O / 15.9994 g O) = 2.270 

Take the smallest number found and divide the others by it to get the empirical formula. 

4.540/2.270 = 2. 
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So, that gives you the empirical formula of C2H4O. 

Find the weight of this compound. C = 12, H = 1, O = 16. So, C2H4O is 44 amu. 

132/44 = 3. 

So, 3 (C2 H4 O) = C6H12O3 = molecular formula.</span>
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3 years ago
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