GEN CHEM 1 FINAL!!!!!!!!!!
What is the formula for titanium (IV) carbonate
Ti(CO3)2
What is the name of Ti(SO3)2
Titanium (IV) Sulfite
Identify the d-block element -Na -Te -Th -W -None of the above
W
A mass of mercury occupies 0.95 L. What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is .789 g/mL?
https://socratic.org/questions/a-mass-of-mercury-occupies-0-95-l-what-volume-would-an-equal-mass-of-ethanol-occ
what symbol is used to represent the factor 10^3
kilo
A molecule with a central atom with sp hybridization has a ________ electron geometry -octahedral -trigonal bipyramidal -bent -linear -trigonal planar
linear
Identify the symptom that is not from radiation exposure -measles -Increased cancer risk -genetic effects -weaker immune system -death
measles
what symbol is used to represent the factor 10^6
mega
what symbol is used to represent the factor 10^-3
milli
Isotopes differ in the number of -electrons -neutrons and protons -gamma particles -neutrons -compounds
neutrons
A molecule whose electronegativity vectors all add up to zero is a __________ molecule
non-polar
The electron geometry of the central atom in ICl41- -linear -octahedral -trigonal bipyramidal -tetrahedral -trigonal planar
octahedral
The antimony atom in SbCl3 would be expected to have a -partial positive (δ+) charge -3+ charge -3- charge -partial negative (δ-) charge
partial positive (δ+) charge
An element that has the valence electron configuration 5s^2 5p^5 belongs to which period and group -period 5, group 15 -period 6, group 15 -period 6, group 17 -period 5, group 17
period 5, group 17
nuclide below the valley of stability can become more stable through which of the following processes -gamma capture -neutron bombardment -proton capture -positron emission -beta capture
positron emission
The hybrid orbit set used by the central atom in SeF4 is -sp -sp^2 -sp^3 -sp^3d -sp^3d^2
sp^3d
the molecular geometry of the central atom in ClO31- is -linear -trigonal planar -tetrahedral -bent -trigonal pyramidal
trigonal pyramidal
The volume of 350. mL of gas at 25°C is decreased to 125 mL at constant pressure. What is the final temperature of the gas -70C -(-167)C -8.9C -561C
(-167)C
Give the ground state electron configuration for Br1- -[Ar]4s^2 4p^6 -[Ar]4s^2 3d^10 4p^5 -[Ar]4s^2 3d^8 4p^6 -[Ar]4s^2 3d^10 4p^3 -[Ar]4s^2 3d^10 4p^6
-[Ar]4s^2 3d^10 4p^6
Determine the electron geometry and molecular geometry of NCl3 -eg=linear mg=linear -eg=tetrahedral mg=trigonal pyramidal -eg=linear mg=tetrahedral -eg=tetrahedral mg=linear -eg=trigonal pyramidal mg=tetrahedral
-eg=tetrahedral mg=trigonal pyramidal
Lithium and nitrogen react to produce lithium nitride: 6Li(s)+N2(g)→2Li3N(s) How many moles of N2 are needed to react with 0.550 mol of lithium? -1.65 -0.0917 -3.30 -0.550 -0.183
0.0917
How many moles are in 29.4 grams of calcium hypochlorite
0.206
what mass does 4.41 moles of copper have -0.122kg -0.632kg -0.820kg -0.280kg -0.352kg
0.280kg
The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 2.000-mg sample remains after 6.55 years? -0.837 -1.588 -1.163 -3.23x10^-15 -4.779
0.837
How many lone pairs of electrons are on the As atom in AsF3 -0 -1 -2 -3
1
How many sig fogs does 2 have
1
27,13Al+4,2He----->30,15P+________ -0,-1H -1,0n -0,0γ -1,1H -0,+1e
1,0n
What is the density of air at 740 torr and 8 degrees C -1.22 -0.82 -43.0 -1.57
1.22 g/L
what is the activity rate of 5 µg of cesium 142 (Half-Life equals 1.85 min) in bq
1.32x10^14
If CO 2 and NH3 are allowed to effuse through a porous membrane under identical conditions, the rate of effusion for NH3 will be __________ times that of CO2 -0.62 -0.39 -2.6 -1.6
1.6
The density of nitric oxide (NO) gas at 1.35atm and 29.8 degrees C is -1.63 -16.6 -0.552 -0.0543 -0.614
1.63 g/L
According to the following balanced reaction, how many moles of HNO3 are formed from 2.50 moles of NO2 if there is plenty of water present? -1.67 -0.834 -7.50 -2.50 -3.75
1.67
A piece of metal ore weighs 9.00 g. When a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore? -2.94 -0.340 -1.72 -0.580
1.72
which of the following numbers has the greatest number of significant figures? - 5.048 x 105^5 - 103.07 - 0.09914 - 124.5
103.07
Which of the following contains the fewest atoms -10g Ar -10g Cs -10g Mg -10g Rb -10g Li
10g Cs
How much does 0.068 moles of sodium phosphate weigh
11.1g
Which of the following is is equal to 1 mole of atoms -6g C -30.69g Ni -34g Se -12.31g Mg -12.01g C
12.01g C
give the bond angle for a molecule with a trigonal shape -180 degrees -120 degrees -45 degrees -109.5 degrees -107 degrees
120 degrees
12.5*9.68 with the correct number of sig is is equal to
121
If 2352 grams of FeS2 is allowed to react with 1408 grams of O2 according to the following unbalanced equation? FeS2 + O2 → Fe2O3 + SO2 -1408 -1280 -770 -1870 -300
1280
Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What percentage of a sample remains after 60.0 min? -2.94 -71.2 -5.28 -34.0 -13.0
13.0
A balloon contains 0.76 mol O2, 0.18 mol Ne, 0.031 mol Xe, and 0.026 mol CO2 at 749 mm Hg. What is the partial pressure of Ne -23 mm Hg -570 mm Hg -20 mm Hg -140 mm Hg
140 mm Hg
Determine the theoretical yield of H2S (in moles) if 32 molAl2S3 and 32 molH2O are reacted according to the following balanced reaction. Al2S3(s) + 6 H2O(l) → 2 Al(OH)3(s) + 3 H2S(g) -32 mol -96 mol -48 mol -16 mol 64 mol
16 mol
determine the mass of an object that has a volume of 88.6 mL and a density of 2.22 g/mL -86.4g -197g -0.0251g -39.9g -90.82g
197g
Give the electron configuration for O -1s^2 2s^1 2p^5 -1s^2 2s^2 2p^2 -1s^2 2s^2 2p^4 -1s^2 2s^2 2p^3 -1s^2 2p^4
1s^2 2s^2 2p^4
Give the ground state electron configuration on Mg2+ -1s^2 2s^2 2p^6 -1s^2 2s^2 2p^6 3s^2 -1s^2 2s^2 2p^2 -1s^2 2s^2 2p^6 3s^2 3p^6 -1s^2 2s^2 2p^6 3s^2 3p^2
1s^2 2s^2 2p^6
Aluminum metal reacts with aqueous cobalt(II) nitrate to form aqueous aluminum nitrate and cobalt metal. What is the stoichiometric coefficient for cobalt when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients? -1 -2 -3 -4
2
How many sig figs are in the answer to the problem 57.5+0.9933+32?
2
How many unpaired electrons are present in the ground state Si atom -5 -2 -3 -4 -8
2
the density of chlorine gas at 1.21 atm and 34.9°C is -0.418 -2.39 -0.0337 -1.2 -0.264
2.39 g/L
2NaN3 (s) - 2Na (s) + 3N2 (g) How many moles of N2 are produced by the decomposition of 1.75 mol of sodium azide? -1.17 -0.583 -0.875 -2.63 -5.25
2.63
Determine the identity of the daughter nuclide from beta decay of 112,82Pb -210,81Ti -206,80Hg -211,82Pb -209,78Pt -210,83Bi
210,83Bi
determine the identity of the daughter nuclide from the beta decay of 210,82Pb -210,81Ti -209,78Pt -210,83Bi -211,82Pb -206,80Hg
210,83Bi
determine the identity of the daughter nuclide from alpha decay of 220,86Rn -216,84Po -221,85At -224,90Th -226,88Ra -224,86Rn
216,84Po
Neptunium-239 has a half life of 2.35 days. How many days must elapse for a sample of 239Np to decay to 0.100% of its original quantity? -1.491 days -0.0427 days -2.04 days -23.4 days
23.4 days
A basketball is inflated to a pressure of 25 psi in a 23.0°C garage. What is the pressure of the basketball outside where the temperature is -2.00°C? -23.8psi -26psi -299psi -2.26psi
23.8
How many neutrons are in manganese-54 -29 -25 -54.9 -30 -29.4
29
What is the charge on the Co ions in Co2O3 -4+ -3+ -(3-) -1+ -(2-)
3+
the recommended adult dose of Elixophyllin is 6 mg per kilogram of body mass. Calculate the dose in milligrams for a 115-pound person 1 lb equals 453.59 -3.1x10^5 -24 -313 -1.5 -1521
313
N2 effuses in 200s. How long will the same size sample of Cl2 take to effuse? -507 s -388 s -78.9 s -318 s -126 s
318 s
Determine the identity of the daughter nuclide from beta decay of 32,15P -33,15P -30,13Al -32,16S -32,14Si -35,16S
32,16S
How many grams of NO gas are there in a 5 L cylinder and 4000 torr and 23 degrees C -417 -2.47x10^4 -13.9 -32.5
32.5g
A 500 L balloon is filled with gas with a density of 0.92 g/L when the outside air density is 1.57 g/L what is the lift
325g
How many protons does As3- have -5 -8 -33 -30 -36
33
A gas is at 35 degrees C and 2.5 L what is the temp of the gas if the volume is increases to 5 L -343C -1.16C -616C -70C -17.5C
343C
How many sig figs in 4.930x10^4
4
What pressure (in atm) will 0.44 moles of Br2 exert in a 2.6 L container at 25°C? -4.1atm -8.6atm -4.7atm -3.6atm -0.35atm
4.1atm
A gas occupies 2.22 L at 3.67 atm. what is the volume at 1.94 atm? -4.21 -1.17 -34.3 -0.289 -3.21
4.21 L
To what volume will a 2.33 L sample of gas expand if it is heated from 30 degrees C to 300 degrees C -23.3 -4.41 -0.233 -1.23 -0.812
4.41
What is the volume (in cm3) of a 43.6 g piece of metal with a density of 2.71 g/cm3?
43.6/2.71 = 16.09 cm3
How many valence electrons does an atom of N have -1 -7 -3 -5 -2
5
An ion has 26 protons, 29 neutrons, and 23 electrons. The symbol for this ion is -52Cu3+ -55Fe3+ -52Cu3- -55V3- -55Fe3-
55Fe3+
How many sig figs in 0.00226500
6
Above what atomic number are there no stable isotopes of any elements -88 -15 -93 -60 -83
83
What mass does 0.990 moles of Kr have (in g) -119 -60 -83.5 -52.8 -35.6
83.5
What volume will a balloon occupy at 1 atm if the balloon has a volume of 4.4 L at 2.2 atm -3.0 -9.7 -2.2 -1.5 -6.6
9.7
Which of the following represent isotopes A:(79,34X) B:(79,25X) C:(78,34X) D:(81,36X) -C and D -A and C -A and D -B and D -All of the above
A and C
What is the formula for aluminum perchlorate
Al(ClO4)3
What is the formula of aluminum sulfate
Al2(SO4)3
Three identical flasks contain three different gasses with STP. Flask A has CH4, flat B has O3, and flask C has N2. which has the most molecules -A -B -C -All have the same number
All have the same number
An organic molecule has 4 carbons, a triple bond and a OH group. Name it.
Butyne
Choose the compound that contains at least one polar covalent bond but is non polar -SeBr3 -HCN -CBr4 -ICl3 -Both B and C are non polar and have a polar covalent bond
CBr4
What is the name of Ca(ClO)2*4H2O
Calcium hydroxide hypochlorite
Which of the following is the correct chemical formula for the molecule of chlorine -(Cl-) -Cl2 -Cl -Cl+
Cl2
Formula for zinc hypochlorite
Zn(ClO)2
Write the formula for zinc phosphite
Zn3(PO3)2
The condensed electron configuration of magnesium-12 is -[Ne]3s^2 -[Ne]2p^8 -[He]2s^6 -[He]2s^4 2p^4 -[He]2s^2
[Ne]3s^2
Choose the ground state electron configuration for Rf2+ -[Rn]6d^2 -[Rn]7s^2 -[Rn]7s^2 6d^4 -[Rn] -[Rn]7s^2 6d^2
[Rn]6d^2
Identify the radioactive particle -an electron -a beta particle -a molecule -a mole -an anion
a beta particle
Which particle changes the mass of the isotope the most -electron capture -alpha particle -positron emission -neutron particle gamma capture
alpha particle
Identify the cation -an atom that has gained a neutron -an atom that has gained an electron -an atom that has lost a proton -an atom that has lost an electron
an atom that has lost an electron
An atom that has an atomic number of 38 and a mass number of 88 is an isotope of an atom that has -50 neutrons and 38 protons -an atomic number of 39 and a mass number of 88 -50 protons and 38 neutrons -an atomic number of 38 and a mass number 86
an atomic number of 38 and a mass number 86
What is the formula of iron(III) selenite
Fe2(SeO4)3
Nuclide above the Vally of stability can become more stable through which of the following processes -alpha decay -electron capture -neutron emission -beta emission -positron emission
beta emission
Identify the element whose ion only exists as 2+ -cesium -calcium -lead -carbon -radon
calcium
global warming is caused by the increase of one gas. What gas is that? -helium -carbon dioxide -nitrogen -ozone -oxygen
carbon dioxide
what symbol is used to represent the factor 10^-2
centi
What is the name of HClO2
chlorous acid
Of the following, which has the highest ionization energy -In -Sb -I -Rb
I
Find the element with the ground state electronic configuration of [Ar]4s^2 3d^10 4p^6 -Xe -N -Ar -Kr
Kr
Identify the compound with ionic bonding -H20 -O -Ne -Na -LiBr
LiBr
Identify the compound with polar covalent bonding -NH3 -KF -Ar -H2 -K
NH3
Which of the following has the lowest electronegativity -Nb -O -Na -W -P
Na
Choose the paramagnetic species from below. -Cd -O2- -Nb3+ -Ba -Zn2+
Nb3+
Give the name for HNO2
Nitrous acid
The density of a gas is 1.43 g/L at stp what is the gas -F2 -Kr -N2 -H2 -O2
O2
Which of the following has the greatest density at STP -O2 -SF6 -Xe -CO2 -All of them have the same density
SF6
Choose the paramagnetic species from below -Se -Xe -Ti4+ -All of the above -None of the above
Se
Of the following, which has the smallest atomic radius -Te -Sr -Ba -Po
Te
what symbol is used to represent the factor 10^-1
deci
Determine the electron geometry and molecular geometry of KrF4 -eg=linear mg=tetrahedral -eg=tetrahedral mg=square planar -eg=octahedral mg=square planar -eg=trgonal bipyramidal mg=tetrahedral -eg=tetrahedral mg=trgonal bipyramidal
eg=octahedral mg=square planar
Determine the electron geometry and molecular geometry of BrF3 -eg=tetrahedral mg=trigonal planar -eg=trigonal bipyramidal mg=bent -eg=trigonal bipyramidal mg=t-shape -eg=trigonal planar mg=bent -eg=trigonal planar mg=trigonal planar
eg=trigonal bipyramidal mg=t-shape
