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melamori03 [73]
3 years ago
14

Hi, can someone help me with this.

Chemistry
1 answer:
AleksAgata [21]3 years ago
4 0
It is 0.5474 but you can put 0.5 hope this helps
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if the balance indicated that the evaporating dish has a mass of 44.8 g and you want to have exactly 5.0 g of copper. what shoul
AleksandrR [38]

49.8 g should be the balance read.

Explanation:

Adding the mass of the evaporation dish 44.8 g with the mass of the copper 5 g you obtain 49.8 g.

On the balance you put first the evaporation dish (or a watch glass) over which you add copper until you reach 49.8 g.

Learn more about:

balance

brainly.com/question/4804631

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3 0
3 years ago
what has 4 valence electrons, shows properties of metals and non metals, and has 32 protons in the nucleus of each atom
12345 [234]
Here is your answer

\bold{Germanium}

REASON:

Elements which have 4 valence electrons are generally metalloids.

The metalloids show the properties of both metals and non-metals.

We know that,

no. of protons= Atomic number

So,

Atomic no.= 32

Hence,

The element is Germanium which is a metalloid with 4 valence electrons and has 32 protons in nucleus of each atom because it has atomic no. 32

HOPE IT IS USEFUL
6 0
3 years ago
What type of radiation wave from the Sun does this graphic display?
liraira [26]
The answer is visible rays. For example, when a rain storm stops, the sun comes out and you are likely to see a rainbow. This is because the sun shines on water molecules in the air and the colors appear. These colors are called visible light. The only ray that a naked Human eye can see
8 0
3 years ago
What is the pressure of a 3.5 mmol sample of ethane (C2H6) gas contained in a 0.500 L flask at 298 K?
-BARSIC- [3]
P = nRT/V

P = 3.5 x 10^-3 x 0.082 x 298 /0.5

P = 0.171 m Hg

P = 171 mm Hg

hope this helps
8 0
3 years ago
lactic acid, which consists of C, H, and O, has long been thought to be responsible for muscle soreness following strenuous exer
Minchanka [31]

Answer:

C3H6O3

Explanation:

I got you babe

3 0
3 years ago
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