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sweet-ann [11.9K]
3 years ago
9

IF YOU ANSWER THIS CORRECT U WILL BE AWARDED ... 10pts and brainleist! :) PLEASEEE IM SUFFERING WITH THIS questionnn :(

Chemistry
1 answer:
Mandarinka [93]3 years ago
5 0

Answer:

student b because when rotating around the earth the sun will only shine on one spot.

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Suppose you have a 250 ml container completely filled with ice. what volume of liquid water will form when the ice melts?
defon
The volume. is 2500 ml
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3 years ago
Classify the compound below as an alkane, alkene, alkyne, alcohol, aldehyde, amine, and so forth
Gnoma [55]

<em>Answer:</em>

  • Organic compounds are those which are derivatives of hydrocarbons. They are classified into following functional groups.

<em>Alkane:  </em>

  • Alkane are simplest hydrocarbons.
  • They have general formula CnH2n+2. These hydrocarbons contain single bond.
  • For example ethane , H3C----CH3.

<em>Alkene:</em>

  • Alkene are most reactive.
  • They have general formula CnH2n.
  • These contain double bond in their structure.
  • For example , ethene, H2C=CH2

<em>Alkyne:</em>

  • These are less less reactive as compare to alkenes.
  • They have general formula CnH2n-2.
  • They contain triple bonds in their structure.
  • For example Acetylene HC≡CH

<em>Alcohol:</em>

Alcohol have functional group OH. They have general formual R---OH, R may be alkyl group.For example Ethanol H3CH2C---OH

<em>Amine:</em>

  • Amine contain NH2 F.G.
  • They have general formula R---NH2.
  • There are three types of amine like primary, secondary and tertiary amine.
  • For example H3CH2C---NH2

<em>Aldehyde:</em>

  • Aldehydes have CHO F.G .
  • They have general formula R--CHO.
  • For example H3CH2C---CHO

<em>Ketone:</em>

  • Ketones have R--CO--R functional group.
  • For example acetone H3C---CO---CH3

<em>Carboxylic acid:</em>

  • They functional group COOH.
  • Their general formula is R---COOH.
  • For example Acetic acid H3C---COOH
6 0
3 years ago
The difference of a number X and 1/2(how to write it out?)
KatRina [158]
X - (1/2)

I'm pretty sure that's the answer
6 0
3 years ago
What is the temperature (°C) of 1.75 g of O2 gas occupying 3.10 L at 1.00 atm? Enter your answer in the box provided.
Ierofanga [76]

Answer:

691.29 K or 418.14 °C

Explanation:

Hello, at first the moles of oxygen gas are required:

n_{O_2}=1.75 g * \frac{1mol O_2}{32 g O_2} =0.0547 mol

Now, based on the ideal gas equation, we solve for the temperature:

PV=nRT\\T=\frac{PV}{nR}\\T=\frac{1atm * 3.10 L}{0.0547 mol*0.082 \frac{atm*L}{mol*K} }\\T=691.29 K

Best regards.

5 0
4 years ago
Oxygen dichloride (OCl2) 3d structure
icang [17]
The molecular formula<span> is </span>Cl_{2}O. Its structure is quite similar to water i.e. H2O. Its geometry is in a bent shape. The bond angle is quite high due to repulsion fro, two chlorine atoms. See figure below:

4 0
3 years ago
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