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aev [14]
3 years ago
13

How would an element on the left side of row 2 of the periodic table differ from an element in the middle of the same row?

Chemistry
2 answers:
VashaNatasha [74]3 years ago
8 0

Answer:

C

Explanation:

maw [93]3 years ago
7 0

Explanation:

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

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In order for the process to be endothermic, the energy required to break the lattice has to be _______ than the energy released
densk [106]

Explanation:

I honestly believe the answer is greater

8 0
3 years ago
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Which of these civilizations still has strong cultural and religious ties to their star
aliya0001 [1]

Answer:

In the 2nd millennium, the eastern coastlines of the Mediterranean are dominated by the Hittite and Egyptian empires, competing for control over the city states in the Levant (Canaan)

Explanation:

because it is

6 0
4 years ago
Draw the line-bond structure of oleic acid (cis-9-octadecenoic acid), CH3(CH2)7CH=CH(CH2)7COOH, at physiological pH. You do not
Elza [17]

Answer:

Explanation:

Oleic acid originates from an unsaturated fatty acid with 18 carbon atoms and one double bond, which can be found in olive oil and many other vegetable and animal oils and fats. Its economic importance includes the production of soap making and cosmetics etc.

The line-bond structure of the given oleic acid in the question can be found in the attached below.

7 0
3 years ago
Calculate the ph of a 0.20 m solution of iodic acid (hio3, ka = 0.17).
saveliy_v [14]
Iodic acid partially dissociates into H+ and IO3- 
Assuming that x is the concentration of H+ at equilibrium, and sine the equation says the same amount of IO3- will  be released as that of H+, its concentration is also X.  The formation of H+ and IO3- results from the loss of HIO3 so its concentration at equilibrium is 0.20 M - x
Ka = [H+] [IO3-] / [HIO3]; 
<span>Initially, [H+] ≈ [IO3-] = 0 and [HIO3] = 0.20; </span>
<span>At equilibrium [H+] ≈ [IO3-] = x and [HIO3] = 0.20 - x; </span>
<span>so 0.17 = x² / (0.20 - x); </span>
<span>Solving for x using the quadratic formula: </span>
<span>x = [H+] = 0.063 M or pH = - log [H+] = 1.2.</span>
7 0
4 years ago
State two safety precautions to be taken when performing diluting concentrated sulphuric acid with water​
motikmotik

<em>Explanation:</em>

<em>safety precautions to be taken when performing diluting concentrated sulphuric acid with water</em>

  1. Using gloves while diluting to avoid injury from hot sulfuric acid to hands.
  2. Wearing safety glasses to protect eyes
  3. Must wear lab coat before performing any chemistry practical
  4. Safety boots to protect your legs.

\sf \small \: Thanks \:  for \:  joining \:  brainly  \: community!

4 0
1 year ago
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