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lianna [129]
2 years ago
13

HELP Which type of circuit would be best to use for lights used for decorations?

Chemistry
1 answer:
xz_007 [3.2K]2 years ago
5 0

Answer:

the 3rd one i took test

Explanation:

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Calculate the number of molecules found in 35 g of Sodium Hydroxide?
Helen [10]

Answer:

5.27*10^23 (rounded to 3 significant figures)

Explanation:

The amount of molecules in one mole of anything is equal to Avogadro's number: 6.022×10^23

To find the number of moles of NaOH in 35 grams of it, do 35 divided by the molar mass (39.997): 35/39.997=0.87506562 moles of NaOH

To find the number of molecules, multiply the moles of NaOH by Avogadro's number: 0.87506562×(6.022×10^23)=5.26964522*10^23

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3 years ago
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How should students prepare to use chemicals in the lab? Select one or more: Sort the lab chemicals in alphabetical order for qu
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Answer:

Sort the lab chemicals in alphabetical order for quick access.

Become familiar with the chemicals to be used, including exposure or spill hazards.

Locate the spill kits and understand how they are used.

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There are many chemicals in a laboratory hence they should be sorted out and arranged in alphabetical order so that theory can easily be identified and located whenever they are required.

The properties of each chemical should be known especially hazards connected to exposure or spill of the chemicals.

The students should also familiarize themselves with the contents of spill kits and how they are used.

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3 years ago
30 POINTS!!!!!! PLEASE HURRY!!!! Four boxes of increasing size and weight must be pushed up a ramp. To push the boxes at the sam
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The larger and heavier the box, the more force you must use when pushing.

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Where is the holy place of hindiusm​
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Explanation:

The seven holiest Hindu cities are said to be the sites of events recounted in mythological texts: Kashi (modern Varanasi, Uttar Pradesh), where the god Shiva founded a shrine of purification; Oudh (modern Ayodhya, Uttar Pradesh), birthplace of the god Rama; Mathura (in Uttar Pradesh), scene of Krishna's nativity; ...19 may. 2020

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Which statement about the atomic nucleus is correct
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