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Nezavi [6.7K]
1 year ago
7

Hypothesis and Data Collection Fill the balloon with water until it is the size of a golf ball, and tie a knot in the end. Make

sure there are no air bubbles in the balloon. In the plastic container, mix the plaster of Paris powder with water until it is as thick as yogurt, and then press the balloon into the center. One-third of the balloon should be below the surface of the plaster. Set the container aside until the plaster sets. Part A In this experiment, you will place the container in the freezer. What do you think will happen?
Chemistry
1 answer:
Alika [10]1 year ago
4 0

Hypothetically speaking, we can infer and logically deduce that the water is most likely to expand.

<h3>What is an experiment?</h3>

An experiment can be defined as a scientific investigation which typically involves the process of manipulating an independent variable (the cause), so as to determine or measure the dependent variable (the effect).

<h3>The states of matter.</h3>

In Science, water is an example of matter and it exists in three (3) main states or phases such as the following:

  • Solid
  • Liquid
  • Gas

Based on scientific records and information, we know that all particles have various degrees of attraction to one another. Also, water is a liquid and as such the attraction between its particles is strong enough to hold them together, but not strong enough to prevent the particles from sliding past each other.

In conclusion, we can infer and logically deduce that the water is most likely to expand in accordance with the kinetic-molecular theory of matter.

Read more on matter here: brainly.com/question/2773301

#SPJ1

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How many milliliters of a 0.215 molar solution are required to contain 0.0867 mol of NaBr
JulsSmile [24]

Answer: 403ml

Explanation:

M=\frac{mol}{L}

Solve for L;

L=\frac{mol}{M}\\L=\frac{0.0867mol}{0.215M}\\ L=0.403L

Convert to mililiters

0.403L(\frac{1000ml}{1L})=403ml

3 0
3 years ago
Suppose that 25.0 mL of 0.10 M CH3COOH (aq) is titrated with 0.10 M NaOH (aq). What is the pH after the addition of 10.0 mL of 0
olya-2409 [2.1K]

Answer:

pH=-1.37

Explanation:

We are given that 25 mL of 0.10 M CH_3COOH is titrated with 0.10 M NaOH(aq).

We have to find the pH of solution

Volume of CH_3COOH=25mL=0.025 L

Volume of NaoH=0.01 L

Volume of solution =25 +10=35 mL=\frac{35}{1000}=0.035 L

Because 1 L=1000 mL

Molarity of NaOH=Concentration OH-=0.10M

Concentration of H+= Molarity of CH_3COOH=0.10 M

Number of moles of H+=Molarity multiply by volume of given acid

Number of moles of H+=0.10\times 0.025=0.0025 moles

Number of moles of OH^-=0.10\times 0.01=0.001mole

Number of moles of H+ remaining after adding 10 mL base = 0.0025-0.001=0.0015 moles

Concentration of H+=\frac{0.0015}{0.035}=4.28\times 10^{-2} m/L

pH=-log [H+]=-log [4.28\times 10^{-2}]=-log4.28+2 log 10=-0.631+2

pH=-1.37

6 0
3 years ago
How many meters are in a kilometer.
Anika [276]

Answer:

1,000 meters in 1 kilometer

Explanation:

4 0
3 years ago
Which is a characteristic of all ions?
Brut [27]

Answer:

I guess B They have a charge

7 0
3 years ago
Calculate the density of a liquid if 58.9 ml of it has a mass of 46.08 g. answer in units of g/ml.
alexira [117]
Density of a solution is mass of solution per unit volume
Density = mass/volume
mass of solution is 46.08 g
volume of solution is 58.9 mL 
since mass and volume is known, density can be calculated
density = 46.08 g / 58.9 mL = 0.78 g/mL 
8 0
3 years ago
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