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Gnom [1K]
3 years ago
8

How can two objects of different masses have the same temperature but different amounts of thermal energy?​

Chemistry
1 answer:
galben [10]3 years ago
4 0
The masses can affect the thermal energy even if it’s the same temperature
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How many moles of oxygen are needed for the complete combustion of 29.2 grams of acetylene?
podryga [215]

Moles of Oxygen= 2.8075 moles

<h3>Further explanation</h3>

Given

29.2 grams of acetylene

Required

moles of Oxygen

Solution

Reaction(Combustion of Acetylene) :

2 C₂H₂ (g) + 5 O₂ (g) ⇒ 4CO₂ (g) + 2H₂O (g)

Mol of Acetylene :

= mass : MW Acetylene

= 29.2 g : 26 g/mol

= 1.123

From equation, mol ratio of Acetylene(C₂H₂) : O₂ = 2 : 5, so mol O₂ :

= 5/2 x mol C₂H₂

= 5/2 x 1.123

= 2.8075 moles

7 0
2 years ago
Ben will be conducting an experiment in which he reacts metals with different concentrations of acid in test tubes. What should
Gelneren [198K]
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So you shall use:

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7 0
3 years ago
Any two functions of crystals<br>​
IRINA_888 [86]

Answer:

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2. High capacity calcium (Ca) regulation and protection against herbivory

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3 years ago
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How much water would I need to add to 500 ml of a 2.4 M KCL solution to make a 1.0 M solution
Yuki888 [10]

the answer is 700ml

5 0
3 years ago
How many bonding electrons are in the lewis structure of carbon monoxide, co?
arsen [322]
There are six (6) bonding electrons are in the lewis structure of carbon monoxide (CO).
In Lewis structure, there are ten (10) valence electrons of Carbon monoxide (CO). For lewis structure we need a triple bond between carbon and oxygen, so when electrons made a triple bond it means there is six bonding electrons in lewis structure of carbon monoxide.
6 0
3 years ago
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