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SashulF [63]
3 years ago
12

Convert 0.0052 meters to millimeters. 0.52 millimeters 0.0000052 millimeters 5.2 millimeters 52 millimeters

Chemistry
2 answers:
vampirchik [111]3 years ago
8 0
5.2 c because its milli you move three spaces right 
omeli [17]3 years ago
8 0
5.2 millimeters is the answer
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State whether the following statements are true or false (with justification). (a) 1 mol of N2 has more molecules than 1 mol of
MAVERICK [17]

Answer:

A. False.

Every substance contains the same number of molecules i.e 6.02x10^23 molecules

B. False.

Mass conc. = number mole x molar Mass

Mass conc. of 1mole of N2 = 1 x 28 = 28g

Mass conc. of 1mol of Ar = 1 x 40 = 40g

The mass of 1mole of Ar is greater than the mass of 1mole of N2

C. False.

Molar Mass of N2 = 2x14 = 28g/mol

Molar Mass of Ar = 40g/mol

The molar mass of Ar is greater than that of N2.

Explanation:

7 0
2 years ago
The number of protons + number of neutrons is<br> equal to the
max2010maxim [7]

Answer: mass

Explanation: the protons and neutrons make up the nucleus and nearly the entire mass of the atom

5 0
2 years ago
In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as
nlexa [21]

In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as a <u>single replacement</u> reaction.

<h3>What is single replacement reaction?</h3>

A single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another. The starting materials are always pure elements, such as a pure zinc metal or hydrogen gas, plus an aqueous compound.

A + BC → B + AC

When A is more reactive than B or when the product AC is more stable than BC, single replacement reactions happen. A and B could either be two halogens or two metals (with hydrogen included) (C is a cation). C functions as a spectator ion when BC and AC are in aqueous solutions.

For example, 2HCl(aq)+Zn(s)→ZnCl₂(aq)+H₂(g)

Learn more about single replacement reactions here:

brainly.com/question/19068047

#SPJ4

8 0
1 year ago
If 60. liters of hydrogen gas at 546 K is cooled to 273 K at constant pressure, the new volume of the gas would be
Korvikt [17]

Answer:30 L

Explanation:

Initial Volume

=

V

1

=

60

l

i

t

e

r

Initial Temperature

=

T

1

=

546

K

Final Temperature

=

T

2

=

273

K

Final Vloume

=

V

2

=

?

?

Sol:-

Since the pressure is constant and the question is asking about temperature and volume, i.e,

V

1

T

1

=

V

2

T

2

⇒

V

2

=

V

1

⋅

T

2

T

1

=

60

⋅

273

546

=

60

2

=

30

l

i

t

e

r

⇒

V

2

=

30

l

i

t

e

r

Hence the new volume of the gas is

30

l

i

t

e

r

6 0
3 years ago
Sodium has the atomic number 11. How many electrons are in a sodium ion, which has the symbol Na+? 10 11 12 NextReset © 2017 Edm
Anna71 [15]
Na 1s²2s²2p⁶3s¹
↓ - e⁻
Na⁺ 1s²2s²2p⁶    2+2+6=10 e⁻

10 electrons are in sodium ion Na⁺
4 0
3 years ago
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