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balandron [24]
3 years ago
11

Question 10 of 23

Chemistry
1 answer:
Margarita [4]3 years ago
7 0

Answer: O D. A digital signal moves between a discrete number of values.

Explanation:

The digital signals are considered more reliable over the analog signals as they encode the information in a coded form. The bits or samples of the data are transmitted and converted into digital and numerical value. The stream of encoded data is in the form of continuous data at regular time intervals. It provides information in waveform and the data is in compact form. The data is in the form of binary bits 0 and 1 so greater the number of bits greater will be the greater will be the resolution of the information.

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Answer:

1.71675 J

Explanation:

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2 years ago
How many moles of water are produced when 2 moles of NaHCO3 react with 2 moles of HCI?
Tju [1.3M]

Answer:

H₂O = 3.56 moles

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Explanation:

7 0
3 years ago
The volume of 7.91 M HCl needed to make 196.1 mL of 2.13 M HCl is ____.
Alona [7]

Answer:

a. 52.8

Explanation:

To find the number of moles of HCl we use the relation M₁V₁=M₂V₂

where M₁ is the initial molarity, M₂ the new molarity, V₁ the initial volume used, and V₂ the final volume obtained.

M₁=7.91 M

M₂=2.13 M

V₁=?

V₂=196.1 mL

Replacing these values in the relationship.

M₁V₁=M₂V₂

7.91 M× V₁=2.13 M×196.1 mL

V₁=(2.13 M×196.1 mL)/7.91 M

=52.8 mL

3 0
3 years ago
All electromagnetic waves travel at the same speed in a vacuum, usually referred to as the speed of light. This speed is approxi
natali 33 [55]

Answer:

The following formula is used to calculate the speed or velocity of a wave. V = f * w Where V is the velocity (m/s) f is the frequency (hz)

4 0
2 years ago
Compare the reactivity of magnesium and calcium explain the difference
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Answer:

Calcium is more reactive than magnesium because calcium atom is larger than magnesium atom and it has one more energy level. ... Thus Ca is more reactive than Mg.

6 0
2 years ago
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