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IrinaVladis [17]
3 years ago
13

Conservation of energy

Chemistry
2 answers:
salantis [7]3 years ago
5 0

Adjust your day-to-day behaviors. ...  

Replace your light bulbs. ...  

Use smart power strips. ...  

Install a programmable or smart thermostat. ...  

Purchase energy efficient appliances. ...  

Reduce your water heating expenses. ...  

Install energy efficient windows. ...  

Upgrade your HVAC system.

can do this at home

lesya [120]3 years ago
4 0

good information to know ?

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what did you eat for breakfast?

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3 years ago
What is the new pressure if the temperature outside is 296k and his weight causes the tire's volume to drop to 2.0 liters
sukhopar [10]

Question:

At standard temperature and pressure, the volume of a tire is 3.5L. What is the new pressure if the temperature outside is 296k and its weight causes the volume of the gas is 2.0 L?

Answer:

The new pressure is: 1.896 atm

Explanation:

At standard temperature and pressure, we have:

P_1 = 1atm

T_1 = 273.15k

V_1 = 3.5L

Outside, we have:

T_2 = 296k

V_2 = 2.0L

Required

Determine the new pressure

Using combined gas law, we have:

\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}

This gives:

\frac{1 * 3.5}{273.15} =\frac{P_2*2.0}{296}

Solve for P_2

P_2 = \frac{296 * 1 * 3.5}{273.15*2.0}

P_2 = \frac{1036}{546.30}

P_2 \approx 1.896 atm

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3 years ago
Calculate the activation energy in kJ/mol for a reaction that takes place at 298K with a rate constant of 6.87 x 10-2 and the sa
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Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative effects on our physical health. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.

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2 years ago
The figure below demonstrates what happens to white light when it passes through a prism. Which colors of lights has the highest
Yuri [45]

Answer:

Blues

Explanation:

Colors of Rainbow => ROYGBIV

Red    Orange   Yellow   Green   Blue   Indigo   Violet

low energy  => => => => => => => => => => high energy

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Note: All L's on the Left => low, low, long; other end are opposites.

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