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Alexxandr [17]
3 years ago
15

A mystery element is a solid at room temperature. When connect in a circuit to a lightbulb, the lightbulb did not light up. It b

roke into pieces when it was dropped. What type of element is it? Explain your reasoning.
Chemistry
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

An electric circuit is an unbroken path along which an electric current exists and/or is able to flow. ... Once one of the wires is removed from the power source or a “break” is made in the flow, the circuit is now “open” and the lamp will no longer light.

Explanation:

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The words that have some thing match them together and that’s your answer!

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How are primary and secondary pollutants alike?
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Primary pollutants are emitted from natural or anthropogenic sources directly into the atmosphere, while secondary pollutants result from the chemical reactions or the physical interactions between the primary pollutants themselves or between the primary pollutants and other atmospheric components.

5 0
2 years ago
How many moles are in 45g c6h5no2
Andrews [41]

Answer:

there are 13 moles in the compound

5 0
3 years ago
The best thermometer to use where temperatures drop below -39°C (-38.2°F) is:_______.
xxTIMURxx [149]

Answer:

The best thermometer to use for this temperature is the alcohol-in-a -glass thermometer.

Explanation:

The alcohol thermometer is a type of thermometer which uses ethanol as its thermometric liquid. This has some advantages at low temperatures because ethanol freezes at about −114.9 °C  that is (−174.82 °F).

Due to its low freezing point, it can still function effectively as a thermometric liquid, expanding and contracting properly based on the applied heat,  when dealing with temperature measurements that are at about -38.2°F.

4 0
4 years ago
An experiment was conducted with a 1.57 gram starting mass of copper. How many grams of cooper were collected if the yield was 8
IRINA_888 [86]

Answer:

1.26 g of Cu

Explanation:

Since we have to find the percentage of the given amount so...

Yield in grams = (Initial mass used / 100) x Percentage Yield

Yield in grams = (1.57 / 100) x 80.6 = 1.26 g of Cu

7 0
3 years ago
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