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balandron [24]
3 years ago
12

The image shows a portion of the periodic table. Which two elements have similar characteristics?

Chemistry
2 answers:
guapka [62]3 years ago
8 0

Answer: C- fluorine and chlorine

Explanation: PLATO

tatuchka [14]3 years ago
5 0

Answer:

C

Explanation:

Similar characteristics depend on columns.

Flourine and Chlorine are both halogens so they will have similar properties.

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A solution is prepared by dissolving sugar in water. The solution is 25.0%, by mass, sugar. How many grams of WATER are in 472 g
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If the sugar makes up 25% of the solution, that means the water makes up 75%, or 3/4, of the solution.

Set up a proportion to solve:
\frac{3}{4} = \frac{x}{472}

Cross multiply:
4x = 1416
x = 354

Therefore, there are 354 grams of water in the solution.
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The deflection of earths planetary is example of
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Answer:

The Coriolis effect is an apparent deflection in the paths of moving objects caused by Earth's faster speed near the equator than near the poles. In the solar system, the greatest expression of this effect occurs in planetary atmospheres. On Earth, for example, the air around us moves freely above the ground.

Explanation:

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During Mr. Nye's science class, students were expected to identify various substances using physical properties they could easil
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3 years ago
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A student inflates a balloon with helium then places it in the freezer. The student should expect
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Answer:

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6 0
3 years ago
You burn 270 grams of glucose during respiration. How
BlackZzzverrR [31]

Answer:

396 g OF CO2 WILL BE PRODUCED BY 270 g OF GLUCOSE IN A RESPIRATION PROCESS.

Explanation:

To calculate the gram of CO2 produced by burning 270 g of gucose, we first write out the equation for the reaction and equate the two variables involved in the question;

C6H12O6 + 6O2 -------> 6CO2 + 6H2O

1 mole of C6H12O6 reacts to form 6 moles of CO2

Then, calculate the molar mass of the two variables;

Molar mass of glucose = ( 12 *6 + 1* 12 + 16* 6) g/mol = 180 g/mol

Molar mass of CO2 = (12 + 16 *2) g/mol = 44 g/mol

Next is to calculate the mass of glucose and CO2 involved in the reaction by multiplying the molar mass by the number of moles

1* 180 g of glucose yields 6 * 44 g of CO2

180 g of glucose = 264 g of CO2

If 270 g of glucose were to be used, how many grams of CO2 will be produced;

so therefore,

180 g of glucose = 264 g of CO2

270 g of glucose = x grams of CO2

x = 264 * 270 / 180

x = 71 280 / 180

x = 396 g of CO2.

In other words, 396 g of CO2 will be produced by respiration from 270 g of glucose.

8 0
3 years ago
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