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Irina18 [472]
3 years ago
12

If you just want points just say so this can lead me to failing 10th if I don’t pass this quiz so if you don’t know just say so

I understand you want points I just don’t wanna fail Ocean acidification is a consequence that occurs when the equilibrium between CO2
CO
2
concentrations in the ocean and atmosphere starts shifting. What is the pH of pure water?

Question 8 options:

13, basic


7, neutral


4, acidic
Chemistry
1 answer:
aniked [119]3 years ago
6 0

Answer:

13,basic would be your answer!

Explanation:

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What makes science reliable
ch4aika [34]

Answer:

Science is really reliable because there is research and math and brains. Actual science are results from experiments, so it's mainly always correct.

Explanation:

5 0
2 years ago
Thw table below provides data the length of day for different planets in the solar system
larisa86 [58]

Answer:

a one rotation of the planet on its axis

Explanation:

The two types of motion that planets undergo are;

1) rotation of the planet about its axis

2) revolution of the planet around the sun.

In every planet there are days as shown in the image attached to the question. However, the length of day in each planet is determined by the time required for the planet to complete one rotation on its axis.

It takes the earth 1 earth day (24 hours) to complete rotation on its axis.

6 0
2 years ago
Please help with this chemistry question it’s due by midnight
Scilla [17]

Answer:

HF is the limiting reactant

Explanation:

The balanced equation for the reaction is given below:

SiO₂ + 4HF —> SiF₄ + 2H₂O

From the balanced equation above,

1 mole of SiO₂ reacted with 4 moles of HF.

Finally, we shall determine the limiting reactant. This can be obtained as illustrated below:

From the balanced equation above,

1 mole of SiO₂ reacted with 4 moles of HF.

Therefore, 7.5 moles of SiO₂ will react with = 7.5 × 4 = 30 moles of HF.

From the calculation made above, we can see clearly that it will take a higher amount (i.e 30 moles) of HF than what was given from the question (i.e 5 moles) to react completely with 7.5 moles of SiO₂.

Therefore, HF is the limiting reactant and SiO₂ is the excess reactant.

3 0
3 years ago
Predict the most likely bond type for the following.
Amiraneli [1.4K]

Answer:

The three major types of bond are ionic, polar covalent, and covalent bonds. Ionic occurs majorly between metals and non-metals, which allows sharing of electrons to form an ionic compound. Whereas covalent bonding calls for complete transfer of electrons between atoms. Polar covalent bonds have unequaly shared electron-pair between two atoms.

Explanation:

a. Cu (Copper)-<em> ionic bonding </em>

b. KCl (Potassium Chloride) - <em>ionic bonding </em>

c. Si (Silicon) - <em>covalent bonding </em>

d. CdTe (Cadmium Telluride) - <em>polar covalent bonding </em>

e. ZnTe (Zinc Telluride)- <em>polar covalent bonding </em>

8 0
3 years ago
what is the realtionship between the kentic energy of molecules in an object and the objects tempeture
MrMuchimi
Temperature is a measure of the average kinetic energy of the particles in an object .Temperatures also measure how kinetic energy is not how hot or cold it is. It’s measuring what the amount of Kinetic Energy there when you throw something in the air and it comes back down
6 0
3 years ago
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