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A sample of water is said to be hard when it does not form lather readily with soap.
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∙ 11y ago
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How is a sample oxygen different from a sample of a water?
Oxygen is just O and water is H2O
If you have a 1.0cm3 sample of lead and a 1.0cm3 sample of glass You drop each in separate beakers of water How do the volumes of water displaced by each sample compare?
They're the same.
How could you get a sample if soluble salt?
A saline sample is salt water. Evaporate the water away, and salt crystals will be left behind.
Why double indicator is used during the titration of water to find alkalinity of water sample?
A double indicator is used to find the alkalinity of the water sample to prevent errors.
A 250.0 sample of water at room temp 32.0c is heated to its boiling point temp 100.0c how many kilocalories of heat are require?
This question can not be answered because you have not said how much water there is - 250.0 of what - Gallons, cc, liters etc.
What is drinking water?
Drinking water is water that is safe for a human to drink, it is said to be potable.
The volume of a sample of water is 20cm3 the mass of?
The volume of a sample of water is 20 cm3. The mass of this sample is closest to
Is a water is a sample is a sample of matter?
Yes!
How is a sample oxygen different from a sample of a water?
Oxygen is just O and water is H2O
How would you obtain clear water from a sample of muddy water?
we can get clear water from a given sample of a muddy water by the method of decantation.
How an you tell if a sample of matter is solid?
it will be hard
What is the cleanest water sample?
rain water
Is hard water harmful to swimmers?
No as a mater of fact some mineral bathes are said to be beneficial
A sample of zinc is placed in a graduated cylinder. The initial volume of water= 15.0mL and final volume of water and sample= 24.0mL. Determine the mass of the sample of zinc?
what?
If you have a 1.0cm3 sample of lead and a 1.0cm3 sample of glass You drop each in separate beakers of water How do the volumes of water displaced by each sample compare?
They're the same.
A proper sample is based on selecting an appropriate set of people when every individual in a population has an equal chance of being selected for the sample it is said to be?
random sample
Why the hysteresis curve is so fat in a sample?
Hard Field
