7. Which liquid caused the egg to shrink? *

Chemistry

2 answers:

Aleksandr-060686 [28]3 years ago

7 0

It’s corn syrup Bec it can’t go into the egg

ruslelena [56]3 years ago

3 0

Answer:

c.corn syrup

the egg shrinks due to osmosi.

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In this experiment you used an excess of the BaCl2 solution. How would your results be affected if you did not use an excess of

Igoryamba

if we did not use an excess of the BaCl2 solution it would decrease the mass percentage of sulfate in the unknown sample.

The net precipitation equation would be.

Ba2+(aq) + SO42-(aq) → BaSO4(s)

If BaCl2 (Ba2+) is not taken in excess then the precipitation would not be completed as some of the sulfate ions would still be remaining in the solution. This would decrease the mass percentage of sulfate in the unknown sample.

If some tiny pieces of filter paper still remained mixed with the precipitate(BaSO4) then the mass of sulfate would increase and it gives a high mass percentage of the sulfate.

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2 years ago

The specific heat capacity of liquid ethanol is 2.42 J/gºC.

VladimirAG [237]

Hope it helps for you : )

8 0

2 years ago

If 9 moles of P203 are formed, how many<br> moles of O2 reacted?

masha68 [24]

9 x 3 = 27
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2 years ago

When the volume of a gas is

Montano1993 [528]

Answer:

$\boxed {\boxed {\sf 232.9 \textdegree C}}$

Explanation:

This question asks us to find the temperature change given a volume change. We will use Charles's Law, which states the volume of a gas is directly proportional to the temperature. The formula is:

$\frac {V_1}{T_1}= \frac{V_2}{T_2}$

The volume of the gas starts at 250 milliliters and the temperature is 137 °C.

$\frac{250 \ mL}{137 \textdegree C}= \frac{V_2}{T_2}$

The volume of the gas is increased to 425 milliliters, but the temperature is unknown.

$\frac{250 \ mL}{137 \textdegree C}= \frac{425 \ mL}{T_2}$

We are solving for the new temperature, so we must isolate the variable T₂. First, cross multiply. Multiply the first numerator and second denominator, then multiply the first denominator and second numerator.

$250 \ mL * T_2 = 137 \textdegree C * 425 \ mL$