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Helga [31]
2 years ago
5

I just randomly remembered my 9 year old sister telling my 14 year old crush that he looks like and elf... she goes "You're like

me!" and he was like "what?" and she goes "you have elf ears too! Katie said that she thinks it's cute and that's one of the reasons she likes you!" I hadn't told him that I liked him yet so I turned bright red and my crush goes "Katie? Your sister is mean"
Chemistry
2 answers:
iVinArrow [24]2 years ago
6 0

Answer:

thats pretty epic

Explanation:

kati45 [8]2 years ago
5 0

Answer:

uhhhhh hmm

that's wild

Explanation:

yikes

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What has the same number of valence electrons in the outermost shell?
algol [13]

Answer:

Groups

Explanation:

Elements with the same number of valence electrons are found in the same column(group) of the Periodic Table.

4 0
3 years ago
Propose a 3-step reaction for the conversion of cyclopentene to propanedioic acid
Gnom [1K]

I
don't know because this is the question which I never heard

6 0
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A sample of an unknown substance has a mass of 0.158 kg. If 2,510.0 J of heat is required to heat the substance from 32.0°C to 6
Alexxandr [17]
Specific heat capacity is the required amount of heat per unit of mass in order to raise teh temperature by one degree Celsius. It can be calculated from this equation: H = mCΔT where the H is heat required, m is mass of the substance, ΔT is the change in temperature, and C is the specific heat capacity.

H = m<span>CΔT
2501.0 = 0.158 (C) (61.0 - 32.0)

C = 545.8 J/kg</span>·°C
5 0
3 years ago
Calculate the number of grams of carbon found in a 5 mole sample of carbon.
Ksenya-84 [330]

Answer:

60g

Explanation:

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3 0
3 years ago
What is the specific heat of a substance if 1560 cal are required to raise the temperature of a 312-g sample by 15°C?
Oksanka [162]
The specific heat capacity  the substance is calculated  using  the below formula

Q(heat) = Mc delta T
Q =1560  cal
m(mass) 312 g
delta T (change in temperature ) = 15 c
C= specific heat capacity=?

by making c the subject of the formula 
c=Q/m delta T
= 1560  cal/ 312g x 15 c = 0.33 cal/g/c (answer B)


8 0
3 years ago
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