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Korvikt [17]
3 years ago
6

You have created a circuit in science class. You are using a 9 volt battery. You have generated what type of current?

Chemistry
2 answers:
defon3 years ago
8 0

Answer:

direct current

Explanation:

OLEGan [10]3 years ago
6 0

Answer:

direct

Explanation:

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How many moles are in 1.2x10^3 grams of ammonia(NH3) ?
miskamm [114]

Answer : The number of moles present in ammonia is, 70.459 moles.

Solution : Given,

Mass of ammonia = 1.2\times 10^3g

Molar mass of ammonia = 17.031 g/mole

Formula used :

\text{Moles of }NH_3=\frac{\text{ given mass of }NH_3}{\text{ molar mass of }NH_3}

\text{Moles of }NH_3=\frac{1.2\times 10^3g}{17.031g/mole}=70.459moles

Therefore, the number of moles present in ammonia is, 70.459 moles.

5 0
3 years ago
Read 2 more answers
Balance the following equation:<br>sodium + Sodium Nitrate = Sodium Oxide + Nitrogen
-Dominant- [34]
Na + NaNO3 = Na2O + N2

4 Na + 2 NaNO3 = 6 Na2O + N2

6 Na on each side
2 N on each side
6 O on each side
6 0
2 years ago
What does the atomic weight of an element represent
Marrrta [24]

The nuclei of atoms also contain neutrons, which help hold the nucleus together. ... The total weight of an atom is called the atomic weight. It is approximately equal to the number of protons and neutrons, with a little extra added by the electrons.


The mass of a given atom, measured on a scale in which the hydrogen atom has the weight of one. Because most of the mass in an atom is in the nucleus, and each proton and neutron has an atomic weight near one, the atomic weight is very nearly equal to the number of protons and neutrons in the nucleus.

7 0
2 years ago
What oxidizing agent is used to temporarily store high energy electrons harvested from glucose molecules in a series of gradual
PIT_PIT [208]

Answer:

What type of reaction is shown below? Check all that apply.

Ca + 2H2O → Ca(OH)2 + H2

synthesis

decomposition

combustion

single replacement

double replacement

Explanation:

6 0
3 years ago
jelani and Mikah are watching an approaching storm from their living room window. All of a sudden they see a bright flash of lig
Shtirlitz [24]

Answer: Heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.

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3 years ago
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