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PilotLPTM [1.2K]
3 years ago
11

Can someone plz help me ? :(

Chemistry
1 answer:
Alexandra [31]3 years ago
8 0

Answer:

C. A persons lost limb can be replaced with an advanced robotic limb

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Energy is released when a new bonds form.
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How many traditional areas of study can chemistry be divided into
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What is the balenced equation of Cu+H2SO4---&gt; CuSO4+H2O+SO2
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8 0
3 years ago
A certain electrolyte solution contains 1 gram of salt for every 8 grams of sugar and every 200 grams of water. If the sugar to
12345 [234]

Answer:

The resulting solution contains approximately 666 g of water.

Explanation:

In the initial solution we have:

1g salt : 8g sugar : 200g water

This means that the ratios are:

\frac{salt}{sugar}  = \frac{1}{8} \\\\\frac{sugar}{water} = \frac{8}{200} =\frac{1}{25}

In the final solution we have:

5g salt: xg sugar: yg water

The new ratios are:

\frac{salt}{sugar} = \frac{3}{8} \\\\\frac{sugar}{water} = \frac{1}{50}

Now we can calculate the amount of sugar in the final solution:

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Finally, we calculate the amount of water:

\frac{sugar}{water} = \frac{13.333}{y} = \frac{1}{50} \\y = 666.667 g

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How do the first ionization energies of main group elements vary across a period and down a group?
meriva
They increase across each period, decrease down a group. As you go across a period the number of protons and increases. The positive nucleus then has a stronger attractive force on the electrons so it takes a larger amount of energy to remove an electron. As you go down a group the atoms are larger so the attractive force is weaker and it takes less energy to remove an electron.
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