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Chemistry Hesi > 🩷🩷 > Flashcards

🩷🩷 Flashcards

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1
Q

ion

A

a charged atom, number of protons and electrons are not equal
more electrons than protons= negatively charged

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2
Q

isotope

A

atoms with the same number of protons and electrons but a different number of neutrons

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3
Q

property of noble gases

A

they have a full octet of valence electrons

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4
Q

atomic number

A

protons

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5
Q

which subatomic particle has a positive charge

A

protons

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6
Q

which of the following have a definite volume

A

liquid and solid

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7
Q

which of the following states of matter for a certain substance is generally densest

A

Solid

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8
Q

which following states of matter take shape of the container they’re placed in

A

liquid and gas

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9
Q

when ice melts what happens

A

water molecules gain kinetic energy

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10
Q

Le charlie’s principles

A

when a system in equilibrium is distributed the system will adjust to counteract this disturbance

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11
Q

if a certain reversible reaction was at equilibrium what would happen to this equilibrium if more recants were added.

A

The equilibrium would shift to form more products

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12
Q

what is meant by the phrase “ the equilibrium lies far to the right”

A

the equilibrium greatly favors the products

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13
Q

what generally happens to a reaction when the temperature increases

A

the reaction rate increases

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14
Q

why does increasing the surface area of reactants or catalysts increase the rate of an reaction

A

it increases the likelihood of molecules encountering one another

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15
Q

what occurs when an equilibrium is established in a reaction

A

The rate of the forward reaction is equal to the rate of the reverse reaction

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16
Q

A chemist wants to make 5L of a solution of NaCl that has a morality of 0.5. how many moles of NaCl do they need.

A

molarityvolume= moles
0.5M5L= 2.5 moles

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17
Q

Calculate the molarity of a solution that contains 2.5 moles in 195 L

A

2.5mol/ 195L=0.013

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18
Q

how many moles of LiOH are in 500 ml of a 1.50 M LiOH solution

A

0.500L*1.50mol/L=0.75 mol LiOH

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19
Q

saturated solution

A

A solution where no more solute can dissolve

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20
Q

which state of matter can contain a solution

A

solid, liquid and gases

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21
Q

Decomposition reaction

A

AB»A+B

22
Q

what is not likely to have a dipole

A

non polar compound

23
Q

acid base reaction

A

occurs when an acid and a base react with on another to form water and a salt

24
Q

what atom property determines if a bond is polar or non polar

A

electronegativity

25
Q

Covalent bond

A

holds carbon and hydrogen together

26
Q

non polar covalent bond

A

type of bond formed when a bonds electrons are equally shared

27
Q

NaCl is what type of bond

A

ionic

28
Q

synthesis reaction

A

two different reactants combine into a single product
example 2C5H5+Fe»>Fe(C5H5)2

29
Q

when methane CH4 is heated in the presence of oxygen, water and CO2 are produced. What type of reaction.

A

combustion

30
Q

strongest intermolecular force

A

non polar covalent

31
Q

nonpolar covalent bond

A

an even sharing of electrons between atoms

32
Q

single covalent

A

a bond that shares one electron pair

33
Q

chemicals on the left side of the reaction are called

A

recants

34
Q

what can form strong hydrogen bonds

A

H20

35
Q

oxidizing agent does what

A

oxidizes another chemical

36
Q

glycogen is composed of which of the following sugars

A

glucose

37
Q

glycosidic bonds are found in what type of molecules

A

polysaccharide

38
Q

if a fat has more than one double bond, what is it called

A

polyunsaturated

39
Q

sucrose is an example of what type of carbohydrate

A

disaccharide

40
Q

what functional groups do fatty acids contain

A

carboxylic

41
Q

what state of matter are unsaturated fats at room temperature

A

liquid

42
Q

what two functional groups do amino acids contain

A

carboxylic and amine

43
Q

what type of bond holds polysaccharides together

A

glycosidic bond

44
Q

where are triglycerides stored

A

fat cells

45
Q

which is a location where glycogen is mainly stored

A

muscles

46
Q

which of the following functional groups is not found in carbohydrates

A

Amine

47
Q

another name for krebs cycle

A

citric acid cycle

48
Q

which is not a simple sugar

A

Glycogen

49
Q

which of the following is not produced during glycolysis

A

Glucose

50
Q

which of the following is the correct sequence of aerobic respiration

A

Glycolysis. Krebs cycle, and electron transport

51
Q

Which of the following solvents are lipid insoluble in

A

Water

52
Q

which of the following types of reactions is responsible for cleaving glycosdic bonds

A

hydrolysis

Chemistry Hesi (2 decks)

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