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LuckyWell [14K]
2 years ago
12

Which of these statements about the Plum-Pudding Model is incorrect?

Chemistry
1 answer:
Licemer1 [7]2 years ago
7 0

Answer:

It is a model of the atom that has electrons surrounding the nucleus


Step by step explanation:

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What explanation accounts for the observation that the mass of the products in reaction #1 (open system) were not equal?
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Answer:

The law of conservation of mass states that matter can not be created or destroyed in a chemical reaction.

Explanation:

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2 years ago
In an experiment designed to determine the concentration of Cu 2 ions in an unknown solution, you need to prepare 100 mL of 0.10
Alexxandr [17]

Answer:

1.6 grams

Explanation:

We need to prepare 100 mL (0.100 L) of a 0.10 M CuSO₄ solution. The required moles of CuSO₄ are:

0.100 L × 0.10 mol/L = 0.010 mol

The molar mass of CuSO₄ is 159.61 g/mol. The mass corresponding to 0.010 moles is:

0.010 mol × (159.61 g/mol) = 1.6 g

We should use 1.6 grams of CuSO₄.

8 0
3 years ago
If the mass of the object below is 28g, what is the density of the object below. Units are in cm below. Please round your answer
Murljashka [212]

Answer:

d = 0.93 g/cm³

Explanation:

Given data:

Mass of object = 28 g

Volume of object = 3cm×2cm×5cm

density of object = ?

Solution:

Volume of object = 3cm × 2cm ×5cm

Volume of object = 30 cm³

Density of object:

d = m/v

by putting values,

d = 28 g/ 30 cm³

d = 0.93 g/cm³

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Day 2 code word
bagirrra123 [75]

Answer:

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Explanation:

4 0
3 years ago
A compound X has the following percentage composition 66.7% carbon, 11.1% hydrogen and 22.2% oxygen .Calculate the empirical for
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Explanation:

c. h. o

66.7%. 11.1%. 22.2%

____. ____. ____

12. 1. 16

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1. 8. 1

empirical formula=ch8o

4 0
3 years ago
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