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maks197457 [2]
3 years ago
7

Which phrase is the best definition of matter?

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
6 0
It would be B, hope this helps
Verdich [7]3 years ago
4 0

The amount of physical material in an object

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RANK THE FOLLOWING FROM WARMEST TO COOLEST... 500G ALUMINUM CUP, 500G GOLD CUP, 750G ALUMINUM CUP.
blagie [28]
The answer is:

1. 500g stainless steel cup 
<span>2. 500g aluminum cup </span>
<span>3. 750g aluminum cup</span>
8 0
3 years ago
Can you help me on my little brother question What are the three forms of matter?
Eva8 [605]
No doubt it's B. solid, liquid, and gas.

Hope this helps!
7 0
3 years ago
Read 2 more answers
The organic compound di‑n‑butyl phthalate, C 16 H 22 O 4 ( l ) , C16H22O4(l), is sometimes used as a low‑density ( 1.046 g ⋅ mL
damaskus [11]

Answer:

36.63 Torr

Explanation:

You need to use two expressions, one for pressure and the other with the relation of density and height of the column.

For the pressure:

P = h * d * g  (1)

h is height.

d density

g gravity

The second expression put a relation between the densities and height of the column so:

d1/d2 = h1/h2 (2)

let 1 be the phthalate, and 2 the mercury.

Let's calculate first the relation of density:

d1/d2 = 13.53 / 1.046 = 12.93

Now with the first expression, we can calculate the pressure so:

P = hdg

We have two compounds so,

h1d1g = h2d2g ---> gravity cancels out

From here, we can solve for h2:

h2 = h1*(d1/d2)

replacing:

h2 = 459 / 12.53

h2 = 36.63 mm

1 mmHg is 1 torr, therefore the pressure of the gas in Torr would be 36.63 Torr

8 0
3 years ago
Which of the following is the best name for a compound made from calcium and bromine? (CaBr2) calcium bromide calcium dibromide
Mice21 [21]

Answer:

Calcium bromide

Explanation:

When naming compounds, the use of prefixes depend on the type of bond made. In this case, calcium and bromine form a ionic bond because calcium is a metal and bromine is a non-metal.

Ionic bonds are not named using prefixes. So no matter how many atoms there are, you will simply write the name of the element for the first element.

For the second element, you name it as well, but only use the root name and end it with -ide.

7 0
3 years ago
NEED HELP FAST!!!! 20 POINTS!
zimovet [89]

Answer:

it would be C!!

Explanation:

3 0
3 years ago
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