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Svetllana [295]
3 years ago
14

Which of the following is a test for aldehydes?

Chemistry
2 answers:
Ivan3 years ago
7 0
Acid test is a test for aldehydes
Delvig [45]3 years ago
3 0

Answer:Fehling's test

Explanation:

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Different kinds of wood have different densities. The density of american white oak wood is generally 0.77 g/cm3. If Jim grabs a
mixas84 [53]

Answer:

m= 29.645 g

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

density of wood = 0.77 g/cm³

volume= 38.5 cm³

mass= ?

Solution:

d= m/v

m= d × v

m= 0.77 g/cm³× 38.5 cm³

m= 29.645 g

7 0
3 years ago
In Shoreville, the last low tide was at 12:00 a.m. About what time will the next high tide occur
sergiy2304 [10]

Answer:

The next high tide will happen at 6 pm.

Explanation:

The rotation of the Earth and the translation movement of the Moon (ie the Moon's movement around the Earth), in addition to the gravitational force, contribute to the formation of the tides. The high tide will occur on the face of the Earth which is facing / facing the Moon; the low tide will occur on the faces that are forming approximately an angle of 90 ° with respect to the Moon.

There are usually two periods of high tide and two periods of low tide over a day. The interval between high tide and low tide is approximately 6 hours.

Besides the gravitational force exerted by the Moon, the tide is also influenced by the gravitational force that the Sun exerts on the Earth. The influence of the Sun is smaller due to its distance, but it can also be noticed depending on the phase of the Moon.

4 0
3 years ago
Define a force.......
FinnZ [79.3K]

Answer:

Gravitational Force.

Gravitation is the agent that gives weight to objects with mass and causes them to fall on the ground when dropped.

6 0
3 years ago
Read 2 more answers
How many Neutrons are in the Nucleus of an atom that has an atomic mass of 36 andan atomic number of 25?
Wewaii [24]

Answer:

11 neutrons

Explanation:36-25=11

7 0
2 years ago
Sodium and magnesium ions have 10 electrons surrounding their nuclei which ion would you expect to have the larger radius why
Maksim231197 [3]
Sodium because according to the atomic size trend of the periodic table. Elements further to the left are bigger while elements tot he right are smaller. This is also do to their charges, Na has a +1 charge meaning it doesn’t pull the electrons as close as the Mg does with its +2 charge.

8 0
3 years ago
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