Inorganic Chemistry Questions
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Inorganic Chemistry
Classification of Elements and PeriodicityThe number of moles in 39.80 g of C₂H6(molar mass = 46.1 g/mol) is
1.658 x 10⁰
9.552 × 10²
8.633 x 10-1
1.835 x 10³
none of these
Inorganic Chemistry
Classification of Elements and PeriodicityWhich of the following is not a conjugate acid-base pair?
H₂SO4, SO
HNO3, NO3
HC₂H302, C₂H₂O₂
H₂PO, HPO
HBr, Br
Inorganic Chemistry
Coordination compoundsCalculate the Normality of a solution that is prepared by dissolving 37 g of Ca(OH)2 in 375 ml solution.
Inorganic Chemistry
Classification of Elements and PeriodicityCalculate the pH and pOH of 0.01M HCI solution. (HCI is a strong acid)
a) pH
b) POH
Inorganic Chemistry
P Block - Group 17When a sample of solid at 35°C (specific heat capacity = 0.89 J/g °C) is heated using 75.5J of energy,
its temperature was raised to 48°C. What is the mass of this solid? Give your answer using the correct significant
figure
If the mass of a single bean is 0.03 g, how many beans are in a 2.5 lb sack of beans
(1kg=1000g, 1kg= 2.2 lb) Give your answer using the correct significant figure
Inorganic Chemistry
Qualitative analysisWe have a container enclosing a mixture of N₂(g) and O₂(g). The total pressure is 3.77 atm. The temperature is 25.00 °C and the volume of the container is 17.0 L. If the mass of N₂ in the container is 34.2 g, what is the partial pressure of O₂ (in atm) within the container?
Inorganic Chemistry
Qualitative analysisFor the following reaction, 27.3 grams of bromine are allowed to react with 15.9 grams of chlorine gas.
bromine (g) + chlorine (g) bromine monochloride (g)
What is the maximum amount of bromine monochloride that can be formed? 39.4
What is the FORMULA for the limiting reagent? Br
What amount of the excess reagent remains after the reaction is complete? 3.80
Inorganic Chemistry
Qualitative analysisIn a 5.00 L steel container at 575 K, the partial pressures of H₂(g) and O₂(g) are respectively 17.86 and 13.21 atm. The H₂(g) and the O₂(g) react together to produce H₂O(g). The final temperature remains at 575 K and the volume remains at 5.00 L. What is the final total pressure (in atm)?
Inorganic Chemistry
Coordination compoundsThe density of a sample of NH3(g) at a pressure of 1.00 atm is 0.870 g/L. What is the root- mean-square speed (in m/s) of the molecules in this sample?
Inorganic Chemistry
P Block - Group 15Heat of Formation Worksheet
Use a standard enthalpies of formation table to determine the change in enthalpy
for each of these reactions.
a) NaOH(s) + HCl(g) ----> NaCl(s) + H₂O(g)
b) 2 CO(g) + O2(g) ---> 2 CO₂(g)
c) CH4(g) + 2 O2(g)---> CO₂(g) + 2 H₂O(l)
d) 2 H₂S(g) + 3 O2(g) ---> 2 H₂O(1) +2 SO2(g)
e) 2 NO(g) + O2(g) ---> 2 NO₂(g)
Inorganic Chemistry
Preparation and Properties of CompoundsA chemist is trying to create as much glucose as possible, using the equation below. What changes could the scientist make to create more glucose?
C6H12O6 + 6026CO2 +6H₂O A
H=-2803kJ/mol
Pressure:
Concentration:
Temperature:
Inorganic Chemistry
Qualitative analysisTwo catalysts may be used in a batch chemical process. Twelve batches were prepared using catalyst 1, resulting in an average yield of 86 and a sample standard deviation of 3. Sixteen batches were prepared using catalyst 2, and they resulted in an average yield of 89 with a standard deviation of 2. Assume that yield measurements are approximately normally distributed with the same standard deviation. Is there evidence to support a claim that catalyst 2 produces a higher mean yield than catalyst 1? Use a = 0.01. What is the type of test to be used?
A F-test, two-tailed
B z-test, left tailed
C F-test, right-tailed
D z-test, two tailed
E F-test left tailed
Inorganic Chemistry
Qualitative analysisWhat is the temperature change if 1.386 x 103 J is absorbed by 60.0 g of copper which has a specific heat capacity of 0.385 J/g °C? (ans. 60.0 °C)
Inorganic Chemistry
Classification of Elements and PeriodicityThe present American standard of living is
less vibrant
poor
the richest
Inorganic Chemistry
Qualitative analysisTake a look at the follow graph.
Describe the general effect on the solubility of ionic compounds with increasing of
temperature.
Soubility of select ionic compounds in g of salt in 100g of H2O versus temperature in
C from 0 to 100C.
Inorganic Chemistry
Preparation and Properties of CompoundsGiven is the mass of 4 sugar packages with the following masses:
2.541g
2.650g
2.100g
2.579g
What is the average mass of the sugar packages?
2.480 g
2.4675 g
3.29 g
9.870 g
2.47 g
2.468 g
Inorganic Chemistry
Qualitative analysisThe specific heat capacity of zinc is 0.386 J/g °C. How many joules would be released when 454 grams
of zinc at 96.0 °C were cooled to 28.0 °C? (ans. 1.19 x 104 J)
Inorganic Chemistry
Qualitative analysisIf 1.13 x 104 J of heat is added to a water sample and the temperature rises from 88.0 °C to its boiling
point, what mass of water is in the sample? (ans. 225 g)
Inorganic Chemistry
Qualitative analysisAn instructor asks you to measure out 10.0 mL of a liquid. Which of the following
glassware would work best?
5 types of classware: A) Erlenmeyer, B Graduated Cylinder, C) Pipet, D) beaker, E)
Buret
25 types of classware: A) Erlenmeyer, B Graduated Cylinder, C) Pipet, D) beaker, E)
Buret
Buret and Pipet
Buret and Beaker
Graduated Cylinder and Pipet
Graduated cylinder and buret
Erlenmeyer and Beaker
Inorganic Chemistry
P Block - Group 16Cognitive development: Around 7 years old to 11 years of age, the child understands that some things that have been changed can be returned to their original state. For example, water can be frozen and then thawed to become liquid again. This shift in cognitive development is referred to as:
Seriation.
Conservation
Reversibility
Classification
Inorganic Chemistry
Qualitative analysisCalculate the number of joules released when 75.0 grams of water are cooled from 100.0°C to 27.5°C.
Inorganic Chemistry
HydrogenOf the following, which is a monosaccharide?
glycogen
sucrose
arabinose
lactose
Inorganic Chemistry
Qualitative analysisCompare and contrast what happens to a Gram-positive bacterial cell in a hypotonic environment with what happens to a human cell placed in a hypotonic environment. If there are any major differences, please explain why.
Inorganic Chemistry
MetallurgyWhich of the following is a disaccharide?
maltose
chitin
glucose
cellulose
Inorganic Chemistry
S Block - Group 1Hunter and Tyler are brothers in their thirties. They had a falling out last year because Tyler felt that
Hunter was rude to his wife. They no longer speak to one another as a result of the conflict. What
type of adult sibling relationship do Hunter and Tyler have?
hostile
competitive
supportive
longing
apathetic
Inorganic Chemistry
Qualitative analysisThe humoral immune response is primarily involved in producing:
A. Antibiotics
B. Antibodies
C. Fever
D. Inflammation
E. Tc cells
Inorganic Chemistry
Preparation and Properties of CompoundsWhen a monosaccharide forms a cyclic hemiacetal, the carbon atom that contained the
carbonyl group is identified as the ___________ carbon atom because
Acetal; it forms bonds to an -OR and an -OR'
Enantiomeric; depending on its position, the resulting ring can have a mirror image.
OL: the carbonyl group is drawn to the left.
D; the carbonyl group is drawn to the right.
Anomeric; its substitutents can assume an alpha or beta
Inorganic Chemistry
MetallurgyOf the following, a human blood disease that has been definitely shown to be due to a
hereditary factor or factors is
polycythemia
pernicious anemia.
leukemia
Sickle cell anemia.
Inorganic Chemistry
P Block - Group 13Which type of relational message involves communicating your interest to someone?
control
affinity
immediacy
affect
respect
Inorganic Chemistry
Preparation and Properties of CompoundsIn the sentence below, one word is in italics. Following each sentence are four words or
phrases. Select the word or phrase that best corresponds in meaning to the italicized
word.
Production of complex molecules, like proteins, is accomplished by replication.
reproduction
duplication
fixation
synthesis
Inorganic Chemistry
P Block - Group 13In the small intestine, a digestive enzyme can break a bond between two amino acids in
a protein by
Inserting a carbon atom between them.
Inserting a water molecule between them.
Removing a carbon atom from one of them.
Removing a water molecule from them.
Inorganic Chemistry
MetallurgyA covalent bond between 2 amino acid molecules can be created by
Removing a water molecule from them.
inserting a water molecule between them.
Inserting a carbon atom between them.
Removing a carbon atom from one of them.
Inorganic Chemistry
Preparation and Properties of CompoundsWhich of the following is a typical sign of meningococcal meningitis?
A. Inability to drink water
B. Light colored stools
C. Nausea
D. Persistent headache
E. Rash on the lower extremities
Inorganic Chemistry
Qualitative analysisPassive immunization means:
A. A person develops immunity after an infection
B. A person dies before he can develop immunity
C. A person is given a shot containing antibodies
D. A person is vaccinated against tetanus or influenza
E. A person is vaccinated using a live virus vaccine
Inorganic Chemistry
Classification of Elements and PeriodicityAn example of an organic compound is:
ammonia
salt
glucose
water
Inorganic Chemistry
MetallurgyWhat is a scarce resource for an individual?
Capital
Land and labor
Energy and skill
Inorganic Chemistry
Classification of Elements and PeriodicityA grocery shop has two similar products of two different companies. Product X offers 20% more
quantity for the same price offered before. Product Y offers 20% discount off the price of the same
quantity. Which is more beneficial to the consumer and how much?
20% of discount, and 125 grams
O20% of discount, and 120 grams
20% more of quantity, and 120 grams
Inorganic Chemistry
Preparation and Properties of CompoundsBalance the redox reaction in an acidic solution using your preferred method.
Show all steps and clearly indicate what species are being oxidized and reduced.
P4+ HNO3 H3PO4 + NO
Inorganic Chemistry
Qualitative analysisBalance the following redox reaction under basic conditions
Cr³+ (aq) + CO₂(g) → Cr₂O72 (aq) + C₂04² (aq)
Inorganic Chemistry
Coordination compoundsThe reaction of a monosaccharide to form a disaccharide is an example of which of the
following reactions?
hydrolysis
condensation
oxidation
reduction
addition
Inorganic Chemistry
Qualitative analysisThis disease is typically spread by zoonotic transmission:
A. Carbapenem-resistant Enterobacteriaceae
B. Hepatitis B
C. Influenza
D. Meningococcal meningitis
E. Rabies
Inorganic Chemistry
Preparation and Properties of CompoundsThis disease is primarily transmitted by vector transmission:
A. Bacterial conjunctivitis
B. Bacterial vaginosis
C. Bubonic plague
D. Hepatitis B
E. HIV/AIDS
Inorganic Chemistry
Qualitative analysisDuring the incubation period of disease,
A. The pathogen is reproducing without any symptoms present
B. The person feels some nonspecific symptoms
C. The person is almost completely recovered from the disease
D. The person is experiencing clear signs and symptoms of the disease
E. The person is starting to feel better after the illness, but is still clearly sick
Inorganic Chemistry
Qualitative analysisA newborn baby appears to be sick. A quick blood test reveals the presence of both
IgG and IgM. Based on this, which of the following is true?
A. The baby does not have an infection, since IgG and IgM are normal in a newborn
B. The baby has an infection due to the presence of both IgM and IgG
C. The baby has an infection due to the presence of lgG
D. The baby has an infection due to the presence of IgM
E. None of the above-it is not possible to predict based on this information
Inorganic Chemistry
Qualitative analysisOxidation of R₂CH-OH will produce a(an)
no reaction
carboxylic acid
ketone
aldehyde
alkene
Inorganic Chemistry
Qualitative analysisIn general, which of the following microbes is the largest?
A. Archaea
B. Bacteria
C. Helminths
D. Protozoa
E. Viruses
Inorganic Chemistry
Preparation and Properties of CompoundsThe primary immune response takes about days response days to reach a peak antibody:
A. 24 hours
B. 3 days
C. 2 weeks
D. 60 days
E. 6 months
Inorganic Chemistry
Qualitative analysisFomites are involved in which kind of transmission?
A. Direct contact
B. Indirect contact
C. Sexual
D. Vector
E. Vehicle
Inorganic Chemistry
Preparation and Properties of CompoundsThe name of the protein on the surface of B cells that specifically recognizes
antigens is called:
A. APC
B. BCR
C. CD4
D. MHC
E. TCR
Inorganic Chemistry
Preparation and Properties of CompoundsIf a person has a fever of 102°C, and they complain of feeling cold, which of the following is most likely true?
A. Their temperature is going higher
B. Their temperature is going lower
C. Their temperature is staying the same