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kirza4
7 days ago
11

How many grams of calcium must be combined with phosphorus to form one mole of the compound Ca3P2?

Chemistry
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which intensive physical property is observed when droppings of a person seated inside a closed room has able to reach a person
lions [2927]

Answer:

The correct answer is "Speed".

Explanation:

  • An intensive or individualized physical property is identified when "speed" is observed as the excretion of an individual in a confined area, capable of reaching someone one meter away after sneezing or coughing.
  • This measure is represented in the unit of "meter per second", indicating its intensive nature.
5 0
4 months ago
Which structural formula correctly represents an organic compound
Alekssandra [3086]
A skeletal formula is usually used for organic compounds
4 0
2 months ago
There is water on the pan of the scale as you measure the mass of an object. If you were to ignore the water, what would be the
castortr0y [3046]
Density is defined as the "mass per unit volume" of an object.

Thus, for an object weighing 100 grams with a volume of 100 milliliters, the density calculates to 100 grams / 100 ml.

When weighing the object, if there is water on the scale's surface, it will contribute additional weight, making the object seem heavier than its actual mass. Consequently, you might mistakenly conclude that the density is GREATER than it truly is.

For instance, if there were 5 ml of water on the scale, with water's density being 1 gram per milliliter (1 g/ml), it would add 5 grams to the object's weight. Using the previous example, the object's mass appears as 105 grams instead of 100 grams. Thus, you would calculate:

density = mass / volume
density = 105 grams / 100 ml
density = 1.05 g/ml

Thus, the effect on density would be to misleadingly suggest it is greater.

I hope this is helpful!

Best of luck
6 0
2 months ago
A sample of the chiral molecule limonene is 62% enantiopure. what percentage of each enantiomer is present? what is the percent
alisha [2963]

The composition consists of 62 % one isomer and 38 % its enantiomer.

Assuming that the mixture comprises 62 % of the (R)-isomer.

Then the percentage of the (S) is calculated as 100 % - 62 % = 38 %.

Enantiomeric excess = %  (R) - % (S) = 62 % - 38 % = 24 %.


6 0
3 months ago
Read 2 more answers
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