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scZoUnD [109]
3 years ago
14

HELLPP!!!

Chemistry
2 answers:
azamat3 years ago
6 0

Answer: i gotcu the answer is mass

Explanation: The more weight of the object the more its subject to gravity like a feather barley is while a bowling ball smashes into the ground :D

Karo-lina-s [1.5K]3 years ago
6 0
The answer is mass.
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In a molecule of PCl3, 6 electrons will form
Igoryamba

Answer:

polar covalent bonds

Explanation:

Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having the chemical formula PCl 3. It has a trigonal pyramidal shape, owing to the lone pairs of electrons on the phosphorus atom.

Chlorine is more elctronegative than phosphorus . Phosphorus has a lone pair of electrons and every chlorine atom has three pairs of electrons . The molecule is not symmetrical as the shared electron pairs are closer to the chlorine atoms than the phosphorus atoms , the chlorine atoms are shifted towards one side of the center of the molecule , thus a net dipole effect is created. This is the reason why the molecule is polar .

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3 years ago
What is the mass in grams of 1.204x10^24 atoms of carbon
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It should be 24g of carbon
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The elements carbon nitrogen and oxygen are all part of the same blank on the periodic table.
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In the same period number 2
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Read 2 more answers
A student prepares a weak acid solution by dissolving 0.2000 g HZ to give 100. mL solution. The titration requires 33.5 mL of 0.
nexus9112 [7]

Answer:

a)M=0.20/(0.335*0.1025)= 0.20/ 0.034 = 5.88 g/mol

b) if 0.100g is used instead of 0.200g

M = 0.1 / 0.034 = 2.94  hence the molar mass will be too low

Explanation:

0.2000 gHZ gives  100ml acid solution

33.5 ml of 0.1025 M NaOH  is required to prepare it

the moles = mass / molar mass

mass = 0.200 gHZ

moles = 0.0335*100 * 0.1025 = 0.034

therefore molar mass = mass / moles

                                  M=0.20/(0.335*0.1025)= 0.20/ 0.034 = 5.88

if 0.100g is used instead of 0.200g

M = 0.1 / 0.034 = 2.94  hence the molar mass will be too low

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2 years ago
What three compounds are produced by the combustion of hydrocarbon fuels?
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The most common hydrogen carbon fuels are ethanol and diesel and their product of combustion is carbon dioxide, water and heat . 


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2 years ago
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