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likoan [24]
3 years ago
14

I wanna make sure of my answer

Chemistry
1 answer:
Juliette [100K]3 years ago
5 0

Answer:

A) the charge on the ion of X

Explanation:

All group 3 elements have a charge of positive three

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When the potential difference across a lamp is 3.3V the current is 0.15 calculate the resistance of the lamp and give the unit
marissa [1.9K]

Answer:

22Ω

Explanation:

Given parameters:

Potential difference  = 3.3V

Current  = 0.15A

Unknown:

Resistance  = ?

Solution:

According to ohm's law, potential difference, current and resistance are related by the expression below;

             V = I R

where V is the voltage

           I is the current

          R is the resistance

          3.3 = 0.15 x R

             R = \frac{3.3}{0.15}   = 22Ω

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3 years ago
Which is most likely to dissolve fastest in water? A. sugar cube B. powdered sugar
leva [86]
Sugar cube is my answer

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How many moles of nickel (Ni) atoms are in 125 g Ni?
Anna11 [10]
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125/58.69 = 2.12 mol 
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Listed in the item bank are key terms expressions each of which is associated with one of the columns. Some terms may disable ad
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Answer:

The correct answer is -

Prokaryotic unicellular -

Eubacteria - is the domain of unicellular organisms that has a prokaryotic cell

Archaebacteria - is one of the two domains of the prokaryotic organisms that are unicellular.

Eukaryotic multicellular (autotroph) -

Plantae - is the multicellular kingdom of the eukaryotic cells and as they produce their own food by photosynthesis called autotrophs.

protists - the autotrophic protists that are multicellular comes under algae, especially red algae.

Eukaryotic multicellular (heterotroph) -

Animalia - The Animalia kingdom is the kingdom of the heterotrophic eukaryotic organism that mostly has multicellular bodies. They depend on plants or other animals for their food.

Fungi - are mostly heterotrophic eukaryotic as they get their nutrient from other organisms are mostly multicellular.

Protist - some protists are heterotrophic as well.

Eukaryotic multicellular/unicellular (heterotroph/autotroph) -

Plantae

protists

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5 0
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