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Gemiola [76]
3 years ago
13

How is the empirical formula of copper chloride hydrate found?

Chemistry
1 answer:
s2008m [1.1K]3 years ago
7 0
CuCl2
IUPAC ID: Copper dichloride, Copper(II) chloride.

Start with the number of grams of each element, given in the problem.
Convert the mass of each element to moles using the molar mass from the periodic table.
Divide each mole value by the smallest number of moles calculated.
Round to the nearest whole number.
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The amount of thermal energy stored in an object depends on what
Snowcat [4.5K]

Answer:

The amount of thermal energy stored in an object depends on three things.

  1. The mass of the object.
  2. The temperature of the object.
  3. The amount of energy that the particular material stores per degree of temperature.
3 0
2 years ago
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What is one of the BEST practices officers should use when securing a crime scene?
notsponge [240]

Answer:

The best practices officers should use when securing a crime scene is option D

D. They should secure a larger area than the actual crime scene

Explanation:

Officers should secure the scene by limiting access to the scene and movement within the scene

Three layers of secure perimeter should be used by officers to secure a crime scene, with the smallest inside perimeter being the actual crime scene

Next to the crime scene, is an inner perimeter which is the designated meeting point/command post

The outer perimeter, which is the third outer layer is to keep onlookers, passerby, and nonessential personnel at safety and out of the actual crime scene.

7 0
2 years ago
24 grams of CH4 was added to the above reaction. Calculate the theoretical yield of CO2. A. 66 grams B. 33 grams c. 132 grams. D
Sonbull [250]

Answer:

Option A. 66 g

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

CH₄ + 2O₂ —> CO₂ + 2H₂O

Next, we shall determine the mass of CH₄ that reacted and the mass of CO₂ produced from the balanced equation. This is illustrated below:

Molar mass of CH₄ = 12 + (4×1)

= 12 + 4 = 16 g/mol

Mass of CH₄ from the balanced equation = 1 × 16 = 16 g

Molar mass of CO₂ = 12 + (16×2)

= 12 + 32 = 44 g/mol

Mass of CO₂ from the balanced equation = 1 × 44 = 44 g

SUMMARY:

From the balanced equation above,

16 g of CH₄ reacted to produce 44 g of CO₂.

Finally, we shall determine the theoretical yield of CO₂. this can be obtained as follow:

From the balanced equation above,

16 g of CH₄ reacted to produce 44 g of CO₂.

Therefore, 24 g of CH₄ will react to produce = (24 × 44) /16 = 66 g of CO₂.

Thus, the theoretical yield of CO₂ 66 g

8 0
2 years ago
How many metals, nonmetals and metalloids are there in the periodic table?
Ugo [173]

Answer:

95 metals

17 nonmetals

6 metalloids

6 0
2 years ago
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After an investigation, what do scientists often do?
den301095 [7]
Record observations, pose a question, create a test for an individual variable, test, come to a conclusion
7 0
3 years ago
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