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rjkz [21]
3 years ago
12

Hydrochloric acid and calcium carbonate react in the same way that baking soda and vinegar do. Write equations for the two react

ions that occur when these compounds react.
2HCl + CaCO3 = CaCl2 + CO2 + H2O
CaCO3 + 2HCl = CaCl2 + H2CO3
Chemistry
1 answer:
neonofarm [45]3 years ago
7 0

Answer:

2HCl + CaCO_3 ---> CaCl_2 + CO_2 + H_2O

CH_3COOH + NaHCO_3 ---> CH_3COONa + CO_2 + H_2O

Explanation:

Hydrocholoric acid is written as HCl

Calcium carbonate is written as CaCO_3

For a balanced equation, 2 moles of Hydrochloric acid reacts with 1 mole of calcium carbonate to give one mole of calcium chloride, 1 mole of carbon dioxide and 1 mole of water respectively.

2HCl + CaCO_3 ---> CaCl_2 + CO_2 + H_2O

Baking soda is written as NaHCO_3

Vinegar is written as CH_3COOH

1 mole of vinegar reacts with 1 mole of baking soda to give 1 mole of sodium acetate, one mole of carbon dioxide and 1 mole of water respectively.

CH_3COOH + NaHCO_3 ---> CH_3COONa + CO_2 + H_2O

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Nady [450]

Answer:

32, 30 and 41

Explanation:

The problem here is to find the number of:

    Protons, neutrons and electrons in Ge²⁺

In this ion,

   We must understand that for a net positive charge to remain on an atom, the number of protons must be greater than the number of electrons.

Ge is Germanium with atomic number of 32;

So the number of protons is 32

Since the atom has lost two electrons;

  Number of electrons now is 32  - 2 = 30

Number of neutrons is 41 from the periodic table.

7 0
3 years ago
Someone please help! I will give Brainliest to who answers the best! Write an explanation of how mass determines (or affects) th
xxTIMURxx [149]
Gravity is the force of motion pulling down objects to the ground. If there was no gravity, everyone would walking as if they were on the moon.


Mass is what gravity needs. If an object has a little amount of mass, gravity will be able to easily bring it to the ground.


If an object has a very huge amount of mass, gravity will still be able to bring it to the ground but it will be hard.


For example: An airplane has a HUGE amount of mass. Gravity pulls it down but the airplane needs to be steering up in order for it to be straight. Gravity is applied on the airplane when it is landing.

BUT..... if a table is in the way of an object it depends if it will fall down to the ground or stay on the table.

If an object has little mass and a table is in the way of gravity pulling it down to the ground, the object will stay on the table. Like a plate of food on a table.

If an object has a very big amount of mass and a table is in the way of gravity pulling it to the ground, the object will break the object and make it's make to the ground. That is mostly why most of the time people have very strong tables/ anything to hold a heavy object.  


Another example is if you're lifting weights and you have little amount of mass, you're most likely to get the little sized weight. It depend on you mass.


Here are some pictures I included here as well of Mass and gravity.

Glad to help! :) :D

8 0
3 years ago
A nitrogen atom has five valence electrons. The Lewis structure shows how a nitrogen atom bonds with three hydrogen atoms to for
nordsb [41]
It has too be 6 or 4

3 0
3 years ago
A sample of a gas at 25°C has a volume of 150 mL when its pressure is 0.947 atm. What will the temperature of the gas be at a pr
dezoksy [38]

Answer:

25°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(0.947 atm)(150 mL)/25°C = (0.987 atm)(144mL)/T₂

5.682 = 142.128/T₂

T₂ = 142.128/5.682

T₂ = 25.0137272756°C = 25°C

6 0
3 years ago
Question 1 of 10 What is molarity a measurement of? O A. The volume of liquid containing a dissolved substance B. The grams of a
Nuetrik [128]

Answer:

D

Explanation:

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7 0
4 years ago
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