What is the correct name for Mg3S2

If the balloon had a volume of 3 L at a depth of 50 m, what was the original volume of the balloon it we assume the pressure at

disa [49]

If the balloon had a volume of 3 L at a depth of 50 m, the original volume of the balloon will be

<h3 /><h3>What is Significant figures ?</h3>

Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value.

The pressure at a depth of 40 m is the hydrostatic pressure of the water plus the atmospheric pressure.

The hydrostatic pressure P of a liquid is given by the formula ;

P = ρgh

where,

ρ = the density of the liquid (Density of water = 1000 kg m⁻³)
g = the acceleration due to gravity (9.81 ms⁻²)
h = the depth of the liquid (Given : 50 m)

P = 1000 kg m⁻³ x 9.81 ms⁻² x 50 m

= 1000 kg m⁻¹ x 9.81 s⁻² x 50

= 4.9 x 10⁵ Pa

Lets's Convert Pa in to atm

= 4.9 x 10⁵ Pa x 1 / 103. 325 x 10³ Pa

= 4.7 atm

Mow, lets calculate P(atm) ;

P(atm) = 14.7 psi x 1 atm / 14.7 psi

= 1 atm

Total Pressure at 50 m is ;

P(total) = 4.7 atm + 1 atm

= 5.7 atm

Now we can apply Boyle's Law to calculate the volume of the balloon at the surface.

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

According to the question ;

P₁ = 5.7 atm
P₂ = 1 atm
V₁ = 3 L
V₂ = ?

V₂ = 3 L x 5.7 atm / 1 atm

= 17.1 L

= 20 L ( 1 significant figure)

Learn more about Boyles law here ;

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8 0

2 years ago

What statement best describes the components of a mixture

Ray Of Light [21]

Answer: the statement that would best describe the components of a mixture is ho2

Explanation:

8 0

3 years ago

How does fluorine's atomic radius compared to oxygen's radius and chlorine's

yanalaym [24]

Answer:

F < O < Cl

Explanation:

Fluorine has a greater effective nuclear charge than oxygen does, meaning that the electrons are drawn tighter and closer toward the nucleus. Fluorine has 9 protons and 9 electrons while oxygen only has 8 protons and electrons. Chlorine has a larger atomic radius than both fluorine and chlorine because has another energy level (shell). Although chlorine has the same effective nuclear charge as fluorine, chlorine has more electrons, 17, which requires an additional shell to contain them.

4 0

3 years ago

Help please <br> 12 point

Artyom0805 [142]

An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. im sorry i only could do one! but hope this helped!

7 0

3 years ago

tetraphosphorous hexaoxide is formed by the reaction of phosphorous (p4) with oxygen gas. if the reaction of 75.3 g of p4 with 3

True [87]

the Percentage yield for the reaction = 48.8%

What is Percentage yield ?

The % ratio of the theoretical yield to the actual yield is known as the percent yield. It is calculated as the theoretical yield multiplied by 100% divided by the experimental yield. The percent yield is 100% if the theoretical and actual yields are equal. Because the real yield is frequently lower than the theoretical value, percent yield is typically lower than 100%. This may be due to incomplete or conflicting reactions or sample loss during recovery. If the percent yield is more than 100%, more sample than expected was retrieved from the reaction.

4 P + 3 O2 = P4O6

moles P = 75.3 g / 30.9738 g/mol= 2.43

moles O2 required = 2.43 x 3 / 4=1.82

actual moles O2 = 38.7 g /32 g/mol=1.21 so O2 is the limiting reactant

theoretical moles P4O6 = 1.21 / 3=0.403

theoretical mass P4O6 = 0.403 mol x 219.895 g/mol=88.6 g

% yield = 43.3 x 100/ 88.6 = 48.8 %

the Percentage yield for the reaction = 48.8%

To know about Percentage yield from the link

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4 0

1 year ago