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Alex73 [517]
3 years ago
8

How does mass and acceleration affect force? (What happens to force if mass increases? What happens to force if acceleration inc

reases? )
Chemistry
1 answer:
slava [35]3 years ago
3 0

Explanation:

According to newton's second law; the acceleration is directly proportional to the unbalanced force and inversely proportional to the mass,

A = f/m

Force = m x a,

So, the force increases with the mass and acceleration.

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Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (Rb) strontium (Sr) zirconium (Zr)
vladimir1956 [14]
<h3>Answer:</h3>

           Strontium (Sr)

<h3>Explanation:</h3>

                        The condition given in statement is the presence of two valence electron. Hence, first we found the electronic configuration of given atoms as follow;

                       Rubidium                         [Kr] 5s¹

                      Strontium                        [Kr] 5s²

                       Zirconium                         [Kr] 4d² 5s²

                      Silver                                 [Kr] 4d¹⁰ 5s¹

From above configurations it is cleared that only Strontium and Zirconium has two electrons in its valence shell.

We also know that s-block elements are more reactive than transition elements due to less shielding effect in transition elements hence, making it difficult for transition metals to loose electrons as compared to s-block elements. Therefore, we can conclude that Strontium present in s-block with two valence electrons is the correct answer.

4 0
3 years ago
Read 2 more answers
Why is acid important for digestion
Troyanec [42]

Answer:

activating digestive enzymes, and making ingested proteins unravel so that digestive enzymes break down the long chains of amino acids

5 0
2 years ago
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Help me <br> Pleaseeeeeeeeeee
Fynjy0 [20]
It’s a synthesis reaction, which is when 2 or more substances react to form a single product.

I hope this helps
6 0
3 years ago
When does heat naturally move from cooler objects to warmer objects
Blizzard [7]
<span>Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. </span>
8 0
3 years ago
Discuss why the solubility of CaCO33(s) would be greater in distilled water than in tap water that contains 50 mg/L of calcium i
Neporo4naja [7]

The greater, the ionic property, the greater will be solubility. water is a covalent compound where calcium carbonate is ionic that's why the solubility of CaCO_{3}(s) would be greater.

<h3>What is solubility?</h3>

The capability of a substance, the solvent, to combine with another substance, the solvent, has been known as solubility. Insolubility, or just the solute's inability to create that kind of a solution, would be the opposite attribute.

<h3>How does solubility depend on the ionic compound?</h3>

Ionic chemicals dissolve readily in just about any liquid that has the ability to rupture the ionic link present in them. Since water itself has a stronger ionic bond and is still polar in nature, water disrupts the ionic link by hydrogen bonding. Several other solvents, like kerosene and gasoline, are unable to dissolve the ionic bond.

The greater, the ionic property, the greater will be solubility. water is a covalent compound where calcium carbonate is ionic that's why the solubility of CaCO_{3}(s) would be greater in distilled water than in tap water that contains 50 mg/L of calcium ions

To know more about solubility.

brainly.com/question/8591226

#SPJ2

3 0
2 years ago
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