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Tatiana [17]
3 years ago
9

What are two household appliances that use an electric motor? What does the motor make happen in each appliance.

Chemistry
2 answers:
DochEvi [55]3 years ago
7 0
A vacuum: the motor starts the fan that causes the vacuum to have suction and the motor is what moves the bristles
A blender: the motor is what makes the blade spin

Hope I helped!
photoshop1234 [79]3 years ago
3 0
An electric can opener and the fridgerator (google told me)
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What gets oxidized in a galvanic cell made with magnesium and zinc electrodes?
ankoles [38]

Answer: Magnesium

Explanation:

Galvanic cell is a device which is used for the conversion of the chemical energy produces in a redox reaction into the electrical energy.

The standard reduction potential for magnesium and zinc are as follows:

E^0_{[Mg^{2+}/Mg]}= -2.37V

E^0_{[Zn^{2+}/Zn]}=-0.76V

Reduction takes place easily if the standard reduction potential is higher (positive) and oxidation takes place easily if the standard reduction potential is less (more negative).

Here Mg undergoes oxidation by loss of electrons, thus act as anode. Zinc undergoes reduction by gain of electrons and thus act as cathode.

Mg\rightarrow Mg^{2+}+2e^-

Zn^{2+}+2e^-\rightarrow Zn

Thus magnesium gets oxidized.

4 0
3 years ago
Read 2 more answers
What is the approximate size of solute particles in a solution?
jeyben [28]

Answer:

The answer is B

Explanation:

8 0
3 years ago
Read 2 more answers
Determine the approximate amount of potassium hydrogen phthalate, KHP, that you will need to neutralize 6.00 ml of 0.100 M NaOH.
Sveta_85 [38]

Answer:

potassium hydrogen phthalate KHP MOLAR MASS = 204.233 glmol

to get 1000 ml

Molar concentration = Mass concentration/Molar Mass

mass concentration = molar concentration x molar mass

mass concentration=0.1 M,

molar mass= 204.233 g/mol

so to get 1L

mass conc = 204.233 x 0.1

= 20.4233g  for 1L or 1000 ml

to get 6.00 ml

if 20.4233g is for 1000ml

then to 6.00 ml

= 20.4233 x 6 / 1000

= 0.123g for 6.00 ml

according to the equation below

NaOH(aq) + KHC8H4O4(aq) --> KNaC8H4O4(aq) + H2O(l)

number of moles of NaOH is equal to that of KHP

so the same amount will be needed too, which is

= 0.123g

6 0
3 years ago
A person weighed 15 pennies on a balance and recorded the following masses:
Artist 52 [7]

Answer:

A)  yes

B) The average mass of 12 pennies should be expressed as

( 3.131 + 3.129 + -------- X12 ) g /  12

where X12 = is the mass of the 12th penny

Explanation:

A) I think the the Bureau of Mint changed the way it made pennies because from the experiment and observation carried out on 15 different pennies it can be seen that they had different weights and this difference is associated with the period/time of production of the different pennies,

B ) The average mass of any object should be expressed in the si unit of mass and not having ($) sign attached to the value instead it should be expressed in grams or kilograms (s.i unit of mass )

The average mass of 12 pennies should be expressed as

( 3.131 + 3.129 + -------- X12 ) g /  12

where X12 = is the mass of the 12th penny

4 0
3 years ago
Can someone help, please ??
Bumek [7]
Concentrated I believe
8 0
3 years ago
Read 2 more answers
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