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german
3 years ago
9

Please please help :/

Chemistry
2 answers:
marta [7]3 years ago
8 0
The answer is spiral!!! just learned this today in earth science:)
TEA [102]3 years ago
4 0

Answer:

eliptical

Explanation:

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2. Water is an example of a(n)
Alexus [3.1K]

it would be A ,inorganic Compound

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2 years ago
Which are balanced and which are unbalanced?
erica [24]

A. is balanced

B. is not balanced

C. is not balanced

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3 years ago
The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is ________ M sodium ion and ________ M sulfate i
omeli [17]

Answer:

The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is 4.208 M sodium ion and 2.104 M sulfate ion.  (option E)

Explanation:

Step 1: Data given

Volume = 500 mL = 0.500 L

The concentration sodium sulfate = 2.104 M

Step 2: The equation

Na2SO4 → 2Na+ + SO4^2-

For 1 mol Na2SO4 we have 2 moles sodium ion (Na+) and 1 mol sulfate ion (SO4^2-)

Step 3: Calculate the concentration of the ions

[Na+] = 2*2.104 M = 4.208 M

[SO4^2-] = 1*2.104 M = 2.104 M

The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is 4.208 M sodium ion and 2.104 M sulfate ion.  (option E)

8 0
3 years ago
Water is unique because the density of it's solid is less than the density of it's liquid. Describe how life would be different
Andreas93 [3]

Ice caps would float therefore providing insulation for aquatic life and ensuring they do not freeze due to the cool temperature.

6 0
3 years ago
A material with the density of 2.7 grams/mL occupies 35.6 mL. How many grams of the material are there?
Hoochie [10]

Answer:

The mass of material is 96.12 g .

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

density of material = 2.7 g/mL

volume= 35.6 mL

mass= ? (in g)

Now we will put the values in the formula,

d= m/v

m=d×v

m= 2.7 g/mL × 35.6 mL

m= 96.12 g

so, the mass of material is 96.12 g .

8 0
3 years ago
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