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Oxana [17]
3 years ago
13

Use a graph to solve the equation on the interval

Chemistry
1 answer:
Fofino [41]3 years ago
8 0
In order to solve this graphically, you would construct two lines:
The first of y = √2
The second of y = sec(x)

The solutions will be the intersections over the given domain.
Solving mathematically:
sec x = √2
1/cos(x) = √2
cos (x) = 1/√2

x = -π/4 and π/4
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Im really tired and csant think plz help
GenaCL600 [577]

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3 years ago
What unit of time is based on the revolution of Earth around the sun?
aev [14]

Answer:

Hello There!!

Explanation:

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4 0
3 years ago
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If 0.507J of heat leads to a 0.007 degree C change in water, what mass is present?
Mamont248 [21]

Answer:

17.3 g

Explanation:

<u>Given the following data;</u>

  • Quantity of heat, Q = 0.507 J
  • Temperature = 0.007°C
  • Specific heat capacity of water = 4.2 J/g°C

Mathematically, Heat capacity is given by the formula;

Q = MCT

Where;

  • Q represents the heat capacity or quantity of heat.
  • M represents the mass of an object.
  • C represents the specific heat capacity of water.
  • T represents the temperature.

Making "M" the subject of formula, we have;

M = \frac {Q}{CT}

Substituting the values into the formula, we have;

M = \frac {0.507}{4.2*0.007}

M = \frac {0.507}{0.0294}

<em>Mass, m = 17.3 grams</em>

8 0
2 years ago
I need help! Please give me an answer
Zepler [3.9K]
You need to show us what you’re talking about first
6 0
2 years ago
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What sublevels are contained in the hydrogen atoms first four energy levels what orbitals are related to each?
erik [133]
1st level = s 
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<span>3rd level = s,p,d </span>
<span>4th level = s,p,d,f</span>
6 0
3 years ago
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