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sergeinik [125]
3 years ago
11

What should we do to increase energy efficiency ?

Chemistry
1 answer:
4vir4ik [10]3 years ago
5 0

Answer:

Insulate your loft.

Upgrade your boiler

Hang thick curtains and insulate your doors.

Watch your energy consumption.

Switch to a cheaper energy tariff.

Use a water-saving showerhead.

Fit double glazing.

Explanation:

Some Help

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Weight and mass are essentially the same measurements.<br> True or false?
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The answer to this question is False

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It converts the electrical entertainment into thermal energy, (heat energy) which heats the toast.
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A wood pole is 12 metres long and is cut into 5 equal sections. If each cut wastes 10 cm of pole, what length would each section
Sophie [7]

Each section would be 230 centimeters or 2.30 meters long.

<h3>Sectional division</h3>

The original wood pole is 12 meters long.

12 meters = 12 x 100 = 1200 centimeters

It is to be cut into 5 equal sections: 1200/5 = 240 centimeters

But each cut wastes 10 cm of the pole.

          240 - 10 = 230 centimeters.

Thus, each section would be 230 centimeters or 2.30 meters long.

More on sectional divisions can be found here: brainly.com/question/15381501

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6 0
2 years ago
A solution is prepared by dissolving 0.23 mol of lactic acid and 0.27 mol of sodium lactate in water sufficient to yield 1.00 L
PtichkaEL [24]

Explanation:

The solution of the lactic acd and sodium lactate is referred to as a buffer solution.

A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. In this case, the weak acid is the lactic acid and the conjugate base is the sodium lactate.

Buffer solutions are generally known to resist change in pH values.

When a strong base (in this case, NaOH) is added to the buffer, the lactic acid will give up its H+ in order to transform the base (OH-) into water (H2O) and the conjugate base, so we have:

HA + OH- → A- + H2O.

Since the added OH- is consumed by this reaction, the pH will change only slightly.

The NaOH reacts with the weak acid present in the buffer sollution.

6 0
3 years ago
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the s and p sublevels of an atom of an element in period 3 are filled with electrons. Which orbitals are filled in this atom?
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so level 3,
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