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shusha [124]
3 years ago
5

Chemical properties can be observed without changing the substance

Chemistry
1 answer:
Amanda [17]3 years ago
7 0

Answer:

chemical properties can only be measured only by changing a substance chemical identity

Explanation:

apex

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The two methods in the lab for measuring the volume of a geometric solid object are weighing it on the balance and measuring it
Yakvenalex [24]

Answer:

Measuring with a ruler and using final volume minus initial volume

Explanation:

You can measure the volume of a geometric object by measuring its sides with a ruler and calculating the volume according to the corresponding formula for each object. For example, for a rectangular prism it would be

volume=length*width*height

You can also measure the volume of an object by measuring how much water it displaces. To do this you have to fill a measuring cylinder with enough water for the object to be completely submerged and take note of the volume. Then, add the object and note again the volume of the water+object. The difference between both is the volume of the object.

Volume of the object= volume of water and object - volume of water

The advantage of the second method is that it can be used for objects with irregular shapes as long as they do not float.

8 0
3 years ago
ccording to all known laws of aviation, there is no way a bee should be able to fly. Its wings are too small to get its fat litt
drek231 [11]

Answer:

The bee's energy output can be calculated directly, and related to its size. it only needs enough air resistance to counter its weight and enough power in its wings to sustain this resistance. it bee like that.

4 0
3 years ago
What type of a reaction occurs when a sodium hydroxide solution is mixed with an acetic acid solution?
Harman [31]

Answer:

C) acid-base neutralization

Explanation:

NaOH + CH₃COOH = CH₃COONa + H₂O

Break the solutions apart:

NaOH = Na⁺ + OH⁻

CH₃COOH = CH₃COO⁻ + H⁺

Combine the resulting solution after the reaction:

OH⁻ + H⁺ = H₂O

7 0
3 years ago
Read 2 more answers
Which statements accurately describe volume? Check all that apply.
lesantik [10]
Where is the chooses for you question
8 0
3 years ago
What is the nature of the SE-CI bond in molecule of selenium chloride ( SeCI3) if the electronegativity value of selenium is 2.5
blondinia [14]

3.2-2.5 = 0.7 pretty small difference

7 0
3 years ago
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