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White raven [17]
3 years ago
14

4. Refine Your Plan Suppose you are mixing ingredients for bread, and

Chemistry
1 answer:
Jobisdone [24]3 years ago
8 0

Answer:

the bread rising shows that it’s baking which is a chemical reaction

Explanation:

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Given the unbalanced equation: PbCl₂ + Na₂CrO₂ ---> PbCrO₂ + NaCl. When properly balanced, the sum of the balancing coefficie
Veronika [31]

Answer:

A. 2

hope this helps :)

if you need an explanation let me know!!

3 0
2 years ago
What is the molecular formula of a compound if its emprical formula is NO2 and its molar mass is 138.02 g/mole
Ratling [72]

Answer:

N₃O₆  

Step-by-step explanation:

Data:

EF = NO₂

MM = 138.02 g/mol

Calculations:

EF Mass = (14.01 + 32.00) u

EF Mass = 46.01 u

The molecular formula is an integral multiple of the empirical formula.

MF = (EF)ₙ

  n = MF Mass/EF Mass  

  n = 138.02 u/46.01 u  

  n = 3.000 ≈3

MF = (NO₂)₃

MF = N₃O₆

7 0
3 years ago
Why can't we separate azeotropes with the distillation process?.
liraira [26]

Answer:

have just recently learnt the theory of fractional and normal distillations and the basics of maximum and minimum boiling azeotropes.

6 0
2 years ago
How would I find the answer?
ELEN [110]

Answer:

Kr

Explanation:

The noble gas that is isoelectronic with Br⁻ is krypton.

This is because krypton is the closest noble gas to Br on the periodic table.

Electronic configuration of Bromine is;

            2, 8, 18, 7

  Br⁻ becomes;  2, 8, 18, 8

  Krypton is;       2, 8, 18, 8

4 0
3 years ago
What happens to a reaction at equilibrium when a reactant is removed from the reaction system
Firlakuza [10]
When a reactant is removed based on a reaction at equilibrium, the condition favors the backward reaction. This obeys the Le Chatelier's principle which states that any disturbance in the system shall be dealt in a way that the system counters that disturbance.
8 0
3 years ago
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