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Vikentia [17]
1 year ago
7

QUESTION 1 Sugar is blank meaning it can readily absorb moisture.

Chemistry
1 answer:
Alecsey [184]1 year ago
5 0

Answer:

sugar is hygroscopic

Explanation:

sugar is hygroscopic

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What has a larger mass, a mole of oxygen gas or a mole of neon gas?
Maksim231197 [3]

Answer:

1 mole ozone gas

Explanation:

Since atomicity of Ozone (3) is maximum so, it will contain maximum number of atoms.

4 0
2 years ago
What is the ph of a 0.15 m solution of ammonium chloride?
Thepotemich [5.8K]
 Best Answer:  <span>(a) 
8.9 x 10^-7 = x^2 / 0.15-x 
x = [OH-] = 0.00037 M 
pOH = 3.4 
pH = 14 - 3.4 = 10.6 

(b) 
Ka = Kw/Kb = 5.6 x 10^-10 = x^2 / 0.20-x 
x = [H+] = 0.000011 M 
pH = 5.0</span>
7 0
3 years ago
Magnesium has 12 protons. What charge do you expect it to have when it ionizes? Why?
olya-2409 [2.1K]

<u>Answer:</u> This element has +2 charge on it.

<u>Explanation:</u>

An ion is formed when an atom looses or gains electrons.

  • When an atom looses electrons, it leads to the formation of positive ion known as cation.
  • When an atom gains electrons, it leads to the formation of negative ion known as anion.

Magnesium is the 12th element of the periodic table having electronic configuration of 1s^22s^22p^63s^2

This element will loose 2 electrons to attain stable electronic configuration and leads to the formation of a cation having formula Mg^{2+}

Hence, this element has +2 charge on it.

7 0
3 years ago
What are digital and analog signals in real life? 20 PTS!
rusak2 [61]

Answer:

Analog signal is a continuous signal which represents physical measurements. Digital signals are discrete time signals generated by digital modulation. Human voice in air, analog electronic devices. Computers, CDs, DVDs, and other digital electronic devices.

Explanation:

8 0
3 years ago
What charge would you expect for an formed by Ca?
Tema [17]

Answer:

What is the charge of CA?

2+

Table of Common Element Charges

Number Element Charge

17 chlorine 1-

18 argon 0

19 potassium 1+

20 calcium 2+

88 more rows•Dec 24, 2018

6 0
3 years ago
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