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Jet001 [13]
3 years ago
9

Is mass conserved when 50 g of sugar undergoes a physical change? Use complete sentences to support your answer by explaining ho

w this can be demonstrated.
Chemistry
2 answers:
Andrew [12]3 years ago
8 0
It is not, because the mass is being conserved and not changed. 
A

Ivanshal [37]3 years ago
4 0

Answer:

this is a physicle change the substance is still the same even if it looks diffrent and since a diffrent substance isn't being added to create something new it is not a chemical change and when a physicle change happens it's mass is conserved

Explanation:

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Which of the following is a noncontact force?
aalyn [17]

Answer:

gravity

Explanation: its a force that pulls you down but you are never making contact with it

6 0
3 years ago
Read 2 more answers
Please answer ASAP!!
Alenkasestr [34]

Answer:

C.0.28 V  

Explanation:

Using the standard cell potential we can find the standard cell potential for a voltaic cell as follows:

The most positive potential is the potential that will be more easily reduced. The other reaction will be the oxidized one. That means for the reactions:

Cu²⁺ + 2e⁻ → Cu E° = 0.52V

Ag⁺ + 1e⁻ → Ag E° = 0.80V

As the Cu will be oxidized:

Cu → Cu²⁺ + 2e⁻

The cell potential is:

E°Cell = E°cathode(reduced) - E°cathode(oxidized)

E°cell = 0.80V - (0.52V)

E°cell = 1.32V

Right answer is:

<h3>C.0.28 V </h3>

<h3 />

4 0
3 years ago
Please help will mark Brainly !! PLEASE HELP !
vlada-n [284]

d.

(s) = solid

(l) = liquid

(g) = gas

(aq) = aqueous

2.

color change

change in temperature

precipitation

3.

rusting

5 0
3 years ago
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What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3.
Y_Kistochka [10]
Mass will be 172.8 gram only
7 0
3 years ago
What would a pressure reading of 565 torr be in units of atmospheres?
mamaluj [8]

<u>Given:</u>

Pressure = 565 torr

<u>To determine:</u>

Corresponding pressure in atmospheres

<u>Explanation:</u>

Pressure is commonly expressed in units like:

Atmosphere (atm), Torr or mmHg

The SI unit is atm, where

760 torr = 1 atm

Thus, a pressure reading of 565 torr corresponds to:

565 torr * 1 atm/760 torr = 0.743 atm





5 0
3 years ago
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