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topjm [15]
2 years ago
12

What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87m (subject is science) pls answer fast

Chemistry
1 answer:
beks73 [17]2 years ago
4 0

Answer:

43.5

Explanation:

Hope that helps

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Sophie [7]
Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.
3 0
3 years ago
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What is the hyphen notation of nitrogen
vovikov84 [41]
<span> N-16

</span>7 protons & 9 neutrons
<span>7 + 9 = 16

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6 0
3 years ago
Which is the smallest particle into which water (H2O) in a glass can be broken down and still remain water? A. a water molecule
Gnesinka [82]

Answer:-

A. A water molecule

Explanation:-

A molecule is the smallest particle of a compound that retains all it's chemical properties.

Here H2O is a compound. So the smallest particle that will retain all the chemical properties and still remain water is water molecule.

Atoms Hydrogen and Oxygen both have different chemical properties from water H2O and are thus different.

Hydrogen peroxide is different molecule from water. So it is also not water.

6 0
3 years ago
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How many carbon atoms are represented by the model below? <br>A. 12 <br>B. 5 <br>C. 4 <br>D. 6 ​
solong [7]

Answer:

D. 6

Explanation:

Each pointy end represents 1 carbon. So in total we have six carbons.

The name of this organic compound is hexane.

4 0
2 years ago
Read 2 more answers
how many formula units of CaCl2 are in 111 g CaCl2? the molar mass of calcium chloride is about 111 g/mol
d1i1m1o1n [39]

There are 6.02 × 10²³ formula units of CaCl2 in 111 g CaCl2. Details about formula units can be found below.

<h3>What is a formula unit?</h3>

Formula unit refers to the empirical formula of an ionic compound for use in stoichiometric calculations.

According to this question, there are 111g of CaCl2. The formula units can be calculated by multiplying the number of moles by Avogadro's number.

no of moles in CaCl2 = 111g ÷ 111g/mol = 1mol

Formula units of CaCl2 = 1mol × 6.02 × 10²³ = 6.02 × 10²³ formula units.

Therefore, there are 6.02 × 10²³ formula units of CaCl2 in 111 g CaCl2.

Learn more about formula units at: brainly.com/question/21494857

#SPJ1

5 0
1 year ago
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