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Vladimir79 [104]
3 years ago
15

If one pound is the same as 454 grams, then convert the mass of 78 grams to pounds.

Chemistry
1 answer:
LiRa [457]3 years ago
4 0

Answer:

0.17 lb

Explanation:

78 g * (1 lb/454 g)=0.17 lb

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"1s22s22p63s2" is the electron configuration for which element
vazorg [7]
MAGNESIUM(Mg) posses the up mentioned electronic configuration
7 0
2 years ago
How many moles at STP would take up 44.8 liters?
Tom [10]

Answer:

n =  2 mol

Explanation:

Given data:

Pressure = standard = 1 atm

Temperature = standard = 273.15 K

Volume = 44.8 L

Number of moles = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm × 44.8 L = n × 0.0821 atm.L/ mol.K  × 273.15 K

44.8 atm.L = n × 22.43 atm.L/ mol

n = 44.8 atm.L /   22.43 atm.L/ mol

n =  2 mol

4 0
2 years ago
The elements in group 17 of the periodic table are all called halogens. All halogens have the same
Nataly_w [17]

Answer:

number of valence electrons

Explanation:

All of the elements in group 17, also known as group 7A, have 7 valence electrons.

No two elements have the same atomic number nor atomic mass in elemental form.

Halogens may have any number of isotopes.

6 0
3 years ago
Read 2 more answers
What is the oxidation state of co in [co(oh2)6]2?
Ahat [919]

Correct compound is [Co(H2O)6]^+3

The oxidation state of Co is +3

[Co(H2O)6]^+3

Let

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 H2O = 0

 x + (0)6 = 3

 x = 3

What is oxidation state?

The oxidation state, commonly known as the oxidation number, is the potential charge that an atom would have if all of its bonds to other atoms were fully ionic. It describes the degree of atom oxidation within a chemical compound.The oxidation state may be positive, negative, or zero in theory.

The oxidation number, sometimes referred to as the oxidation state, is the total number of electrons that an atom gains or loses while uniting with another atom to form a chemical bond.

To learn more about oxidation state click the given link

brainly.com/question/8990767

#SPJ4

7 0
11 months ago
Subject. Earth Science.
Anettt [7]
Slow cooling of magma results in the formation of c. coarse-grained textured rocks. An example of a coarse grained textured rock formed in this fashion is granite. As the rate of cooling of igneous rocks increases, the size of the crystal that is formed decreases. The Bowen's reaction series shows the different rocks cooled at different rates.
3 0
2 years ago
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