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Inessa [10]
3 years ago
11

A student carries out a chemical reaction that produces a brown powder. How should the student measure the amount of product for

med?
Chemistry
2 answers:
FromTheMoon [43]3 years ago
7 0

Answer:

By measuring the mass on a scale.

Explanation:

When a solid is formed in a reaction (such as a powder), the measure that is taken is the mass on a scale. The solid is separated, for filtration for example. So, to have the mass of it, first, the filter paper is measured alone, then with the solid. The mass of the solid will be the difference between the masses measured.

adoni [48]3 years ago
6 0
The mass of the solid product of the reaction is determined by weighing.
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vampirchik [111]
I need the same answer
5 0
2 years ago
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Write the condensed electron configurations for the Ca atom. Express your answer in condensed form as a series of orbitals. For
umka21 [38]

Answer:

[Ar] 4s²

Explanation:

Ca is the symbol for Calcium. It is the 20th element and it has 20 electrons.

The full electronic configuration for calcium is given as;

1s²2s²2p⁶3s²3p⁶4s²

The condensed electronic configuration is given as;

[Ar] 4s²

6 0
3 years ago
Match the term with the definition.
alina1380 [7]
What term and what definition..
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3 years ago
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This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment. this part contains a
Masja [62]

The amount of heat transferred in and out of the system is measured by calorimetry. The thermometer in the calorimeter is used to measure the temperature.

<h3>What are the parts of the calorimetry device?</h3>

The thermometer (A) is a device used to measure the final and the initial temperature of the water or any other liquid in a system. A metal vessel is a place where the reaction mixture is present.

In-vessel (B), water, and metal are placed before the beginning of the experiment. The styrofoam cup or the outer metal vessel (C) insulates the instrument, from regulating the heat transformation.

Therefore, part A measures the temperature of the reaction mixture.

Learn more about insulated containers here:

brainly.com/question/866735

3 0
2 years ago
What is the mass, in grams, of a sample of 1.20 × 1022 atoms of mercury (Hg)? Show your work or explain the steps that you used
o-na [289]
Atomic mass Hg = 200.59 u.m.a

200.59 g --------------- 6.02x10²³ atoms
( mass Hg ) ----------- 1.20 x10²² atoms

mass Hg = ( 1.20x10²² ) x 200.59 / 6.02x10²³

mass Hg = 2.407x10²⁴ / 6.02x10²³

= 3.998 g of Hg

hope this helps!
5 0
3 years ago
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