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Citrus2011 [14]
3 years ago
6

HELP PLEESE HELP.....​

Chemistry
1 answer:
Thepotemich [5.8K]3 years ago
3 0

Answer:

i'm sorry

Explanation:

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Are alkali metals good or not good to use as utensils when eating?
nekit [7.7K]

Answer:

no

Explanation:

"Alkali metals are among the most reactive of all metals, which makes them suitable for specific and limited uses.

Alkali metals include lithium, sodium, potassium, rubidium, cesium and francium. These metals have large atomic radii and generally lose electrons during reactions. "

- Reference

8 0
3 years ago
What volume of nitrogen gas is equal too 3.42x10^22 molecules of this substance
Bas_tet [7]

if i am correct the volume of nitrogen gas has to equal to molecules density, making the substance 1.27 liters :)

8 0
3 years ago
Which events represents a chemical change ?
8_murik_8 [283]
D milk turning sour 
the other options are physical changes
5 0
3 years ago
Read 2 more answers
How many nanometers are in 0.0006245101 km?
maw [93]

Answer:

624510100

Explanation:

Doing a conversion factor:

0,0006245101[km]*\frac{1000[m]}{1 km} *\frac{1x10^{9} nanometer}{1 m} =624510100 [nanometer]

5 0
3 years ago
Chemistry student needs 15.0 g of painting for an experiment by consulting the CRC handbook of chemistry and physiology the stud
nalin [4]

Answer:

v = 23.96 cm³

Explanation:

Given data:

Mass = 15.0 g

Density = 0.626 g/cm³

Volume = ?

Solution:

Formula:

D=m/v

D= density

m=mass

V=volume

Now we will put the values in formula:

d = m/v

v = m/d

v = 15 g / 0.626 g/cm³

v = 23.96 cm³

8 0
3 years ago
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