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3 years ago

URGENT

2 answers:

7 0

The celery and carrot will most likely become saltier and perhaps more shriveled because of the high concentration of salt in the water solution compared to the low concentration of salt in the solution. The raisin, however, could take two roots, one would be the same as the carrot and celery, but the other one is it would soak up water because of how salty and shriveled the raisin already is.

WARRIOR [948]3 years ago

5 0

The piece of carrot will sink to the bottom and turn white my guess, the raisin will stay the same or shrivel up the piece of celery will float to the top

FYI i have never done this so in my hypothisis i think this will help get you an idea of the experiment ok

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Given a fixed amount of gas held at constant pressure, calculate the volume it would occupy if a 2.00 L sample were cooled from

aliina [53]

Answer:

1.82 L

Explanation:

We are given the following information;

Initial volume as 2.0 L
Initial temperature as 60.0°C
New volume as 30.0 °C

We are required to determine the new volume;

From Charles's law;

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

Where, $V_1 and V_2$ are initial and new volume respectively, while $T_1 and T_2$ are initial and new temperatures respectively;

$T_1= 333 K$

$T_2=303K$

$V_1 =2.0L$

Rearranging the formula;

$V_2=\frac{V_1T_2}{T_1}$

$= \frac{(2.0L)(303K)}{333K} \\=1.820 L$

Therefore, the new volume that would be occupied by the gas is 1.82 L

7 0

3 years ago

How many grams of oxygen can be obtained from 250. grams of KCIO3?

guapka [62]

Answer:

Keep it simple. If all the oxygen contained in the 200 grams of potassium chlorate is produced in the decomposition, then all we have to do is find out how many grams of oxygen are there in the 200 grams. This we can do by calculating the ratio of oxygen mass to the whole. Using 39.1 for potassium, 35.45 for chlorine and 3 times 16, or 48 for the oxygen, we get a total of 122.55 grams per mole for potassium chlorate, of which 48 grams are oxygen. This ratio is 48/122.55. This ratio times the original 200 grams of the compound, gives us 78.34 grams of oxygen produced.

Explanation:

3 0

2 years ago

Two students made the Lewis dot diagrams of H2O. The diagrams are as shown.

netineya [11]

Answer:

Only student A

Explanation:

don’t worry I got a 100

7 0

3 years ago

Read 2 more answers

Rectangular prism has a height of 3cm, a width of 7 cm, and a length of 5 cm. What is it's volume?

goldfiish [28.3K]

Volume= length•width•height

V=5•7•3

V= 105cm^3

6 0

3 years ago

Neon (Ne) is in group 18. This element

Aleonysh [2.5K]

Answer:

option 3

Explanation:

Neon is one of the noble gases. Noble gases don't react with any element because of their stability. Elements of Group 18 in Periodic Table are inert gases.

8 0

3 years ago