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sweet [91]
4 years ago
11

Who attempted to measure the relative distance to the Moon and the Sun

Chemistry
2 answers:
hoa [83]4 years ago
8 0
What he said yes he’s right he helped me
andrezito [222]4 years ago
5 0
Aristarchus attempted to measure the relative distance to the moon and the sun. 

Hope this helped:)
-Warning2

P.S. vote me brainiest!
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How can You friend electrons, protons and neutrons in an element?
Charra [1.4K]
You cant its not really that possible there diffrent elements to gather them into one source would be difficult more than likely a scientific explanation would answer this based upon test and research
7 0
3 years ago
What is the balanced net ionic equation including phases for K2SO4 and SrI2
Triss [41]

Answer:

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

Explanation:

<u>Step 1</u>: Write a properly balanced equation with states:

K2SO4(aq) + Srl2(aq) → 2KI(aq) + SrSO4(s)

<u>Step 2</u>: write the full ionic equation with states. Remember to keep molecules intact. Only states (aq) will dissociate,  (s) will not dissociate . This means SrSO4 won't dissociate.

2K+(aq) + SO42-(aq) + Sr 2+(aq) + 2I-(aq) → 2K+(aq) + 2I-(aq) + SrSO4(s)

<u>Step 3</u>: Balanced net ionic equation

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

3 0
3 years ago
Calculate the molarity of a solution prepared by dissolving 8.054 g of k2cro7 in enough water to give 250. ml of solution.
Thepotemich [5.8K]
The answer should be 0.077M
7 0
3 years ago
Check out this app! It's millions of students helping each other get through their schoolwork. https://brainly.app.link/qpzV02Ma
marishachu [46]

Answer:

why did you post a link to brainly when we are on brainly already??????

Explanation:

8 0
3 years ago
What is the concentration of H+ ions at a pH = 11?
natta225 [31]

Answer:

\huge 1 × {10}^{-11} \: \: M

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

Since we are finding the H+ ions we find the antilog of the pH

So we have

11 =  -  log({H}^{+})  \\ {H}^{+} =  {10}^{ - 11}

We have the final answer as

1 × {10}^{-11} \: \: M

Hope this helps you

6 0
3 years ago
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