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Gnesinka [82]
3 years ago
11

How would your atomic mass prediction have been affected if not all of the water had been evaporated from the calcium carbonate

precipitate (Gravimetric Analysis of a Carbonate Kit)
Chemistry
1 answer:
Yanka [14]3 years ago
6 0
Go to a famlie member, if you can't trust them, trust god. if you cant trust god, BURN IN HELL
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3. A PS6 plugged into a 120 V outlet uses 3 Amps. What is the Resistance rating of
blondinia [14]

Answer:

R = 40 ohms

Explanation:

Given that,

The voltage of outlet, V = 120 V

Current flowing through the device, I = 3 A

We need to find the Resistance rating of  the power cord. Let the resistance is R. We know that,

Ohm's law, V = IR

Put all the values,

R=\dfrac{V}{I}\\\\R=\dfrac{120}{3}\\\\R=40\ \Omega

So, the resistance rating of the power cord is equal to 40 ohms.

8 0
3 years ago
The metric system is only used in France? True or false
Olegator [25]
False it’s used in a lot of other countries
8 0
4 years ago
Read 2 more answers
Scientists have discovered a new planet with many craters. Which of the following would be an appropriate hypothesis?
AnnZ [28]
Indicates that the planet does not have an atmosphere. If the planet had an atmosphere is would erode away at the meteors before they hit the surface.
8 0
4 years ago
Rick uses an electronic air sampler to determine the amount of dangerous chemicals in the air.
lesya692 [45]

Answer:

<em>The first three options given out of the five options are correct.</em>

  1. <em>It collects chemical data. </em>
  2. <em>It records real-time sampling data. </em>
  3. <em>It processes and stores chemical data.</em>

Explanation:

An electronic air sampler is a device that is used by people to check apprehension of contamination having individuals with the help of certain volume of air sampling.

The Device is used for recording the chemical data of contamination and the real-time data is sampled and recorded and the data is processed and stored. The air sampling is done in two ways.

3 0
3 years ago
The molecular mass of a substance refers to the:
ololo11 [35]

Answer:

A

Explanation:

it's the sum of the masses of all the atoms in the molecule

please like and Mark as brainliest

3 0
3 years ago
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