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EleoNora [17]
3 years ago
15

Which two statements about an electric motor are true?

Chemistry
1 answer:
Kamila [148]3 years ago
6 0
From my notes that came straight from the tutorial, the correct answers are
: they transform electric energy to motion energy.
: relative motion means that either the magnet or the coil of wire can move and the device will work the same. 
: current-carrying wire that rotates between a magnetic north pole and a magnetic south pole.
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What is the molecular formula of a compound with the empirical formula
ipn [44]

Answer:  C_2H_2O_2

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

The empirical formula is CHO

The empirical weight of CHO = 1(12)+1(1)+1(16)= 29 g.

The molecular weight = 60 g/mole

Now we have to calculate the molecular formula:

n=\frac{\text{Molecular weight}}{\text{Equivalent weight}}=\frac{60}{29}=2

The molecular formula will be=2\times CHO=C_2H_2O_2

Thus molecular formula will be C_2H_2O_2

5 0
3 years ago
What is 11/6 + 11/6 in fractions
Andreyy89
3 2/3 is your answer
6 0
3 years ago
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Match each item with the correct statement below.
V125BC [204]

1. LDFs

2. Intermolecular Forces

3. Intramolecular Forces

4. Linear

5. Tetrahedral

Edit: I'm new to this site and idk how to use it properly. I'm not sure about 2 and 3 currently because these forces are between molecules as well so INTERmolecular would be used twice (?)

5 0
3 years ago
A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoate in water sufficient to yield 1.00
Monica [59]

Answer:

The pH does not decrease drastically because the NaOH reacts with the <u>D) Benzoic acid</u> present in the buffer solution.

Explanation:

The hydroxide ions will react with acidic part of the solutions, it means the benzoic acid, so it will form the conjugate base, the benzoate ion.

7 0
3 years ago
GIVEN BRAINLIEST
Yuliya22 [10]

Answer:

Hello, Your answer is <em>B) Making observations</em>

<u><em>(Hope That Helps Your Answer)</em></u>

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3 years ago
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