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alukav5142 [94]
3 years ago
8

Which statement describes a characteristic of a question that can be answered through scientific inquiry

Chemistry
1 answer:
GrogVix [38]3 years ago
4 0

the correct one is D

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Which of the following elements has the highest electronegativity? hydrogen carbon chlorine fluorine
sergey [27]
The most eletronegative elements are to the right of the periodic table. The electronegativities increase as you move right.

Fluorine and Chlorine are the highest.

Fluorine is 4.0
Chlorine is 3.0

Fluorine is the answer.
6 0
3 years ago
PLEASE PLEASE HELP ME!!!A 450 ml gas sample has a pressure of 1.25 atm at 65 °C. What is the temperature, in °C, at which the ga
Arlecino [84]

Answer:

89°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(1.25 atm)(450 mL)/(65°C) = (0.89 atm)(865 mL)/T₂

8.653846154 = 769.85/T₂

T₂ = 769.85/8.653846154

T₂ = 88.96044444 = 89°C

6 0
3 years ago
Flammable materials, like alcohol, should never be
jarptica [38.1K]

Answer:

b.open flame because it is fundamental end of the alcohol mixes in with the flame then it will become a bigger fire

5 0
3 years ago
How many particles are present in 8.0 moles of silver?
Zielflug [23.3K]

Answer:the answer is b

Explanation:I took the test and got it right

3 0
3 years ago
What is the mass of a sample of water that takes 2000 kJ of energy to boil into steam at 373 K. The latent heat of vaporization
Arte-miy333 [17]

Answer:

0.89kg

Explanation:

Q=mL L=specific latent heat

Q=energy required in J

m=mass in Kg

Q=mL

m=Q/L

m=2000000J/2.25 x 10^6 J kg-1

m=0.89kg

3 0
3 years ago
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