Solution that has a ph below 7.0 tastes sour is called

Suppose you add water to 6 g of sugar to make a solution with a concentration of 3 g/l What is the total volume of the solution?

Viktor [21]

Answer:

no

Explanation:

5 0

3 years ago

How did scientist discover that earths outer core is liquid

liberstina [14]

By studying seismic waves

Explanation:

Scientists discovered that the earth's outer core is liquid by simply studying seismic waves.

Seismic waves are elastic waves that have been used by geophysicists to study the earth's interior.

Interior of the earth is inaccessible due to high pressure and temperature conditions therein.
To study this part of the earth, an indirect method should be used.
Seismic waves produced during an earthquake due to their permeating nature have been used to study the interior.
Seismic P-waves can pass through any materials because they are longitudinal waves. They go through solids, liquids and gases.
S-waves can only pass through solids and not fluids.
On a seismograph, it was discovered that the S-waves were cut off in a part of the reading.
The waves re-appeared after a distance.
Since S-waves cannot pass through liquids, it has been hypothesized that the outer core is liquid.

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3 years ago

Which planet is terrestrial? Jupiter Mars O Saturn Uranus

Zolol [24]

Answer: Mars

Explanation: The planet of Mars is the only planet of all that is terrestrial. Jupiter, Saturn and Neptune are all Jovian Planets. The answer to the question is Mars. Hope this answer helps you!

4 0

3 years ago

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Which mineral, when combined with unabsorbed dietary fat, forms soaps that cannot be absorbed and are excreted in the feces?

Marianna [84]

It looks like you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer a. calcuim.

Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

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3 years ago

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g Which ONE of the following molecules and ions has trigonal planar molecular geometry? (NOTE: You must first determine what the

Dmitrij [34]

Answer: C) $CO^{2-}_{3}$

Explanation: The Valence Shell Electron Pair Repulsion Model (VSEPR Model) shows bonding and nonbonding electron pairs present in the valence, outermost, shell of an atom connecting to other atoms. It also gives the molecular geometric shape of a molecule.

To determine molecular geometry:

1) Draw Lewis Structure, i.e., a simplified representation of the valence shell electrons;

2) Count the number of electron pairs (count multiple bonds as 1 pair);

3) Arrange electron pairs to minimise repulsion;

4) Position the atoms to minimise the lone pair;

5) Name the molecular geometry from the atom position;

Trigonal planar molecular geometry is a model which molecule's shape is triangular and in one plane. Such molecule has three regions of electron density extending out from the central atom and the repulsion will be at minimum when angle between any two is 120°.

The Lewis structure of each molecule is shown in the attachment.

Analysing each one, it can be concluded that molecule with trigonal planar geometry is $CO^{2-}_{3}$

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3 years ago