Chemistry preassessment February
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Last updated over 3 years ago
17 questions
2
Iron rusts according to the following equation: __ Fe(s) + __ O2(g) → __ Fe2O3(s)What are the respective coefficients when the equation is balanced with the smallest integer values?
Iron rusts according to the following equation: __ Fe(s) + __ O2(g) → __ Fe2O3(s)
What are the respective coefficients when the equation is balanced with the smallest integer values?
2
Balance each chemical equation.A) ____ C5H12(g) →____ C(g) + ____ CH4(g)Find the first blank
Balance each chemical equation.
A) ____ C5H12(g) →____ C(g) + ____ CH4(g)
Find the first blank
2
Balance each chemical equation.A) ____ C5H12(g) →____ C(g) + ____ CH4(g)Find the second blank
Balance each chemical equation.
A) ____ C5H12(g) →____ C(g) + ____ CH4(g)
Find the second blank
2
Balance each chemical equation.A) ____ C5H12(g) →____ C(g) + ____ CH4(g)Find the third blank
Balance each chemical equation.
A) ____ C5H12(g) →____ C(g) + ____ CH4(g)
Find the third blank
2
Balance each chemical equation.B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)Find the first blank
Balance each chemical equation.
B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)
Find the first blank
2
Balance each chemical equation.B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)Find the second blank
Balance each chemical equation.
B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)
Find the second blank
2
Balance each chemical equation.B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)Find the third blank
Balance each chemical equation.
B) ____ Sr(s) + ____ F2(g) →____ SrF2(s)
Find the third blank
2
Balance each chemical equation.C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)Find the first blank
Balance each chemical equation.
C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)
Find the first blank
2
Balance each chemical equation.C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)Find the second blank
Balance each chemical equation.
C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)
Find the second blank
2
Balance each chemical equation.C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)Find the third blank
Balance each chemical equation.
C) ____ Al2(CO3)3(s) → ____ Al2O3(s) + ____ CO2(g)
Find the third blank
2
Balance each chemical equation.D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)Find the first blank
Balance each chemical equation.
D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)
Find the first blank
2
Balance each chemical equation.D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)Find the second blank
Balance each chemical equation.
D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)
Find the second blank
2
Balance each chemical equation.D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)Find the third blank
Balance each chemical equation.
D) ____ Ni2S3(s) → ____ Ni(s) + ____ S(s)
Find the third blank
2
Balance each chemical equation.E)_____C3H6 ______O2 →______CO ______H2OFind the first blank
Balance each chemical equation.
E)_____C3H6 ______O2 →______CO ______H2O
Find the first blank
2
Balance each chemical equation.E)_____C3H6 ______O2 →______CO ______H2OFind the second blank
Balance each chemical equation.
E)_____C3H6 ______O2 →______CO ______H2O
Find the second blank
2
Balance each chemical equation.E)_____C3H6 ______O2 →______CO ______H2OFind the third blank
Balance each chemical equation.
E)_____C3H6 ______O2 →______CO ______H2O
Find the third blank
2
Balance each chemical equation.E)_____C3H6 ______O2 →______CO ______H2OFind the fourth blank
Balance each chemical equation.
E)_____C3H6 ______O2 →______CO ______H2O
Find the fourth blank