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masya89 [10]
3 years ago
6

The radio station z107.7 broadcasts radio waves. What do the numbers 107.7 represent?

Chemistry
2 answers:
PilotLPTM [1.2K]3 years ago
6 0

Hello


It represents the certain radio station that you are currently using and it is the smae number of radio waves


hope this helps

plz mark me as brainliest

Lunna [17]3 years ago
3 0

Answer : The number 107.7 represent the frequency.

Explanation :

Frequency : It is defined as the number of oscillations per second. the S.I unit of frequency is, Hertz (Hz)

Formula of frequency is,

f=\frac{1}{t}

where,

f = frequency

t = time period

Radio frequency :  It is the rate of oscillation of electromagnetic radio waves within the range of 3 kHz to 300 GHz.

Therefore, the number 107.7 represent the frequency.

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Using the equation below, if you have 4.3 mol of nitrogen tribromide and
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Answer:

sodium hydroxide is the limiting reactant

Explanation:

The first step is usually to put down the balanced reaction equation. This is the first thing to do when solving any problem related to stoichiometry. The balanced reaction equation serves as a guide during the solution.

2NBr3 + 3NaOH = N2 + 3NaBr + 3HOBr

Let us pick nitrogen gas as our product of interest. Any of the reactants that gives a lower number of moles of nitrogen gas is the limiting reactant.

For nitrogen tribromide

From the balanced reaction equation;

2 moles of nitrogen tribromide yields 1 mole of nitrogen gas

4.3 moles of nitrogen tribromide will yield 4.3 ×1/ 2 = 2.15 moles of nitrogen gas

For sodium hydroxide;

3 moles of sodium hydroxide yields 1 mole of nitrogen gas

5.9 moles of sodium hydroxide yields 5.9 × 1/ 3= 1.97 moles of nitrogen gas

Therefore, sodium hydroxide is the limiting reactant.

8 0
3 years ago
Activities that shows the nature and goals of anthropology,Sociology and Political Science​
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To answer the question effectively, we will talk about the key words in the question.

ANTHROPOLOGY, SOCIOLOGY AND POLITICAL SCIENCE.

ANTHROPOLOGY; This is the study of human kinds in all times and places,it also entails humanistic study which includes our prehistoric origins and contemporary human diversity as well as topics like social change,globalization,human origin and the world history.

The activities that shows the nature and goals of anthropology includes;

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- Producing new theories and knowledge about human home and their behaviors.

- Discovering/finding out what all people have in common.

There are four fields of anthropology; Linguistic anthropology, Biological anthropology, Archeology and cultural anthropology.

SOCIOLOGY; This is the scientific study of human civilization.

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Sociology greatly focuses on various social connections,

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The activities that show the goals and nature of sociology includes;

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3 years ago
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Answer:

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3 years ago
To titrate 45.00 milliliters of an unknown HCl sample, use 25.00 milliliters of a standard 0.2000 M NaOH titrant. What is the mo
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V ( HCl ) = 45.00 mL in liters : 45.00 / 1000 => 0.045 L

M ( HCl ) = ?

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HCl + NaOH = NaCl + H2O

1 mole HCl ---------- 1 mole NaOH
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moles HCl = 0.005 x 1 / 1

= 0.005 moles of HCl :

M ( HCl ) = n / V

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= 0.1111 M

hope this helps!




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