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3 years ago

11

List two of the kingdoms found in the Eukarya domain

1 answer:

IrinaK [193]3 years ago

6 0

Animalia and Plantae

Hope that helps

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Use your periodic table to identify the name for each element in a compound

Elden [556K]

... where is the image??

Here is an example though:
If you were given NaCl (this is he chemical formulafor table salt) you could identify Na (first column, or group, on your periodic table (PT) and 2nd row, or period, on your PT) as sodium.
The Cl you could identify as Chloride.

3 0

3 years ago

For a reaction:

torisob [31]

Looking at the equation .look at the moles noted below

Ca(OH)_2=1mol
NH_2Cl=2mol.
CaCL_2=1mol
NH_2=2mol
H_20=2mol.

#a

There is 2 moles of NH2Cl.

Hence limiting reagent is Ca(OH)_2

#2

Moles at reactant=3

Moles at product=5

Moles left:-

$\\ \sf\longmapsto 5-3=2mol$

#d

$\\ \sf\longmapsto pV=nRT$

$\\ \sf\longmapsto 1.5V=2(8.3)(27)$

$\\ \sf\longmapsto 1.5V=448.2$

$\\ \sf\longmapsto V=\dfrac{448.2}{1.5}$

$\\ \sf\longmapsto V=298.8mL$

7 0

3 years ago

How many calories are absorbed in a process that absorbs 0.128 joules?

earnstyle [38]

Answer:

There are 0.0305 calories in 0.128 joules

Explanation:

Given that,

Heat absorbed, Q = 0.128 J

We need to find the heat energy absorbed in calories.

We know that the relation between joules and calories is as follows :

1 calorie = 4.184 J

1 J = (1/4.184) J

So,

$0.128\ J=\dfrac{0.128 }{4.184}\\\\=0.0305\ cal$

So, there are 0.0305 calories in 0.128 joules

7 0

3 years ago

Emission spectra can be used to identify elements.<br><br> True<br> False

stepan [7]

The answer would be true

7 0

3 years ago

Read 2 more answers

Question 9 (5 points)

frozen [14]

Answer:

A. air pressure,this is answer.

5 0

3 years ago

Read 2 more answers