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hoa [83]
3 years ago
6

What is the volume of a salt crystal measuring 5.44 x 10-2m by 2.5 x10-3m by 7.9 x 10-3 m?

Chemistry
1 answer:
vivado [14]3 years ago
4 0
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Only the _____ word in an organism's complete scientific name has its first letter capitalized
dimaraw [331]
Only the first word in an organism's complete scientific name has its first letter capitalized.

When writing out the organism's scientific name, it goes Genus and then species. The Genus is always capitalized and species is always lowercase. Also when writing the name, usually you either write it in italics or underline the scientific name.
5 0
3 years ago
Arrange the following molecules according to the strength of their dispersion forces. Organize in order from largest to smallest
ki77a [65]

Explanation:

The weak intermolecular forces which can arise either between nucleus and electrons or between electron-electron are known as dispersion forces. These forces are also known as London dispersion forces and these are temporary in nature.

Therefore, more is the surface area occupied by the carbon chain more will be the dispersion forces present in it. Hence, less is the surface area occupied by a molecule less will be the dispersion forces present in it.  

Hence, the given molecules are organized from largest to smallest dispersion forces as follows.

CH_{3}CH(CH_{3})C(CH_{3})_{2}CH_{2}CH_{3} > CH_{3}CH_{2}(CH_{2})_{4}CH_{2}CH_{3} > CH_{3}CH_{2}CH_{2}CH_{2}CH_{3} > CH_{3}C(CH_{3})2CH_{3} > CH_{3}CH_{2}CH_{3} > CH4

3 0
3 years ago
What is the capacity to do work known as?
yarga [219]

Answer:

it is energy

Explanation:

Energy is the ability to do work

6 0
3 years ago
What is the pH of pure water at 40.0°C if the Kw at this temperature is 2.92 - 10-147 OA) 6.767 O B) 0 465 O c) 7.000 OD) 7 233
Sergeeva-Olga [200]

Answer:

PH= 6.767     (answer is the A option)

Explanation:

first we need to correct the value in Kw at this temperature is 2.92*10^-14

so, in this case we have that:

Kw=2.92*10^-14 M²

[ H3O^+] [ H3O^+]

[H_{3}O^{+}  ] [OH^{-}  ] = Kw = 2.92*10^{-14} M^{2}   \\\\

at 40ºC

[H_{3}O^{+}  ] = [OH^{-}  ]

[H_{3}O^{+}  ]^{2} = 2.92*10^{-14} M^{2}

[H_{3}O^{+}  ] = (2.92*10^{-14})^{1/2} = 1.71*10^{-7} M

PH= -log10[H_{3}O^{+}  ] = -log10(1.71*10^{-7} ) = 6.767

7 0
2 years ago
Genetic information is encoded in a molecule called DNA?
grandymaker [24]

True

Explanation:

The DNA is the structure in living organisms that encodes genetic information.

DNA = DeoxyriboNucleic Acid.

  • The DNA is made up of a double helix structure of two strands.
  • It is made up of a phosphate group,deoxyribose sugar and four nitrogenous bases.
  • The DNA is contained in the nucleus of every cell.
  • Crick and Watson suggested the molecular structure of the DNA to be a double helix shape.

learn more:

Genetic recombination brainly.com/question/12685192

#learnwithBrainly

7 0
3 years ago
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