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Kruka [31]
3 years ago
9

If the temperature is 80° outside does the air transfer more or less thermal energy to a thermometer then if it is 60°

Chemistry
2 answers:
kati45 [8]3 years ago
6 0
Less, because thermal energy is heat so if it gets colder there is less thermal energy.
Ipatiy [6.2K]3 years ago
4 0
More because when its cold they go slowly

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How much CO2 is produced from the decomposition of 200g of CaCO3 if 112 of CaO are produced?
MArishka [77]
88 Grams because the principal of conservation of mass states total mass in equals total out so 200 in 122+88=200 out
6 0
3 years ago
What is the mass number of an atom that has six protons , six electrons and eight neutrons
Tresset [83]

Answer:

14

Explanation:

Given parameters:

Number of protons  = 6

Number of electrons  = 6

Number of neutrons = 8

Unknown:

Mass number  = ?

Solution:

The mass number of an atom is the sum of protons and neutrons in an atom;

 Mass number  = number of protons + number of neutrons

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7 0
2 years ago
32.33 mL of 1.031 M potassium hydroxide were required to reach the endpoint of a titration of 50.00 mL of nitric acid. What was
tester [92]

The molar concentration of the nitric acid solution was 0.6666 mol/L.

<em>Balanced equation</em>: KOH + HNO_3 → KNO_3 + H_2O

<em>Moles of KOH</em>: 32.33 mL KOH × (1.031 mmol KOH /1 mL KOH)

= 33.33 mmol KOH

<em>Moles of HNO_3</em>: 33.33 mmol KOH× (1 mmol HNO_3/1 mmol KOH)

= 33.33 mmol HNO_3

<em>Concentration of KOH</em>: <em>c </em>= "moles"/"litres" = 33.33 mmol/50.00 mL

= 0.6666 mol/L

4 0
3 years ago
Decide which element probably forms a compound with oxygen that has a chemical formula most and least similar to the chemical fo
aleksley [76]

Answer:

a. magnesium

b. nitrogen

Explanation:

Barium and magnesium  are both in 2nd group, so most similar compounds.

Nitrogen - 15 group, so  it forms least similar to barium compound.

6 0
3 years ago
Can someone please help me and ill mark you as brainlest
r-ruslan [8.4K]

Answer:

can you show the question so we can read it

3 0
3 years ago
Read 2 more answers
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