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2 years ago

Which of the following elements has the highest

Chemistry

2 answers:

Nady [450]2 years ago

5 0

Should be flourine but since that isnt one of the options i wotld say H also

Blizzard [7]2 years ago

3 0

Because H is a non-metal, it has the highest electronegativity. Option (1) H is correct.
Hope this would help~

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Calorimeter containing 1000 grans of water the initial temperature of water is 24.85 degrees . the heat of water is 4.184 j/g de

kvasek [131]

<h3><u>Answer;</u></h3>

10.80 ° C

<h3><u>Explanation;</u></h3>

From the information given;

Initial temperature of water = 24.85°C

Final temperature of water = 35.65°C

Mass of water = 1000 g

The specific heat of water ,c = 4.184 J/g °C.

The heat capacity of the calorimeter = 695 J/ °C

Change in temperature ΔT = 35.65°C - 24.85°C

= 10.80°C

3 0

3 years ago

Physical Science Structures and Properties of Matter Portfolio

daser333 [38]

Answer:

true

Explanation:

8 0

3 years ago

Convert 685K to Fahrenheit

joja [24]

773.33 degrees F
F=Fahrenheit
K=Kelvin
F=K x 9/5 - 459.67
773.33 = 685 x 9/5 - 459.67

8 0

3 years ago

2. How many moles are in 8.30 x 1023 molecules of H2O?

daser333 [38]

Answer:

<h2>1.38 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{8.30 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{8.30}{6.02} \\ = 1.3787 37...$

We have the final answer as

<h3>1.38 moles</h3>

Hope this helps you

8 0

3 years ago

HELP ASAP

WARRIOR [948]

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2 years ago