Question

Расставьте коэффициенты и определите тип следующих реакций: Ba + O2= BaO; C3H8 + O2= CO2 + H2O Na + O2= Na2O; Al(OH)3 + HCl= AlCl3 + H2O Al + O2= Al2O3; NaOH + H3PO4= Na3PO4 + H2O K + Cl2= KCl; Ba(OH)2 + HNO3= Ba(NO3)2 + H2O Ba + N2= Ba3N2; KNO3 = KNO2 + O2 Al + S= Al2S3; HgO= Hg + O2 Al2O3 + K= K2O + Al; KMnO4= K2MnO4 + MnO2+ O2 HCl + Mg= MgCl2 + H2; HNO3= N2O5 + H2O H2SO4 + Na= Na2SO4 + H2; H3PO4= H2O + P2O5 Al + HCl= AlCl3 + H2; C3H8= C + H2 Na + H3PO4= Na3PO4 + H2; AgOH= Ag2O + H2O Al + H2SO4= Al2(SO4)3 + H2; Fe(OH)3= Fe2O3 + H2O K2O + H3PO4= K3PO4 + H2O; CH4 + O2= CO2 + H2O BaO + HNO3 = Ba(NO3)2+ H2O; K3N + O2= K2O+ N2O3 Al2O3+ H2SO4= Al2(SO4)3+H2O; H3PO4= P2O5+ H2O

Answer 1

2Ba + O2= 2BaO
C3H8 + 5O2= 3CO2 + 4H2O
4Na + O2= 2Na2O
Al(OH)3 + 3HCl= AlCl3 + 3H2O
4Al + 3O2= 2Al2O3
3NaOH + H3PO4= Na3PO4 + 3H2O
2K + Cl2= 2KCl
Ba(OH)2 + 2HNO3= Ba(NO3)2 + 2H2O
3Ba + N2= Ba3N2
2KNO3 = 2KNO2 + O2
2Al + 3S= Al2S3
2HgO=2 Hg + O2
Al2O3 + 6K=3 K2O + 2Al
2KMnO4= K2MnO4 + MnO2+ O2
2HCl + Mg= MgCl2 + H2
2HNO3= N2O5 + H2O
H2SO4 + 2Na= Na2SO4 + H2
2H3PO4= 3H2O + P2O5
2Al + 6HCl= 2AlCl3 + 3H2
C3H8= 3C + 4H2
6Na + 2H3PO4= 2Na3PO4 + 3H2
2AgOH= Ag2O + H2O
2Al + 3H2SO4= Al2(SO4)3 + 3H2;
2Fe(OH)3= Fe2O3 + 3H2O
3K2O + 2H3PO4= 2K3PO4 + 3H2O;
CH4 + 2O2= CO2 + 2H2O
BaO + 2HNO3 = Ba(NO3)2+ H2O
2K3N + 3O2= 3K2O+ N2O3
Al2O3+ 3H2SO4= Al2(SO4)3+3H2O
2H3PO4= P2O5+ 3H2O

Answer 2

2Ba+O2=2BaO
C3H8+5O2=3CO2+4H2O
4Na+O2=2Na2O

Answer 3

Ba + O2 = BaO

The reaction between barium (Ba) and oxygen (O2) forms barium oxide (BaO). The coefficients for this balanced equation are: - Ba: 2 - O2: 1 - BaO: 2 Therefore, the balanced equation is: 2Ba + O2 = 2BaO [[1]]

C3H8 + O2 = CO2 + H2O

The reaction between propane (C3H8) and oxygen (O2) produces carbon dioxide (CO2) and water (H2O). The coefficients for this balanced equation are: - C3H8: 1 - O2: 5 - CO2: 3 - H2O: 4 Therefore, the balanced equation is: C3H8 + 5O2 = 3CO2 + 4H2O [[2]]

Na + O2 = Na2O

The reaction between sodium (Na) and oxygen (O2) forms sodium oxide (Na2O). The coefficients for this balanced equation are: - Na: 4 - O2: 1 - Na2O: 2 Therefore, the balanced equation is: 4Na + O2 = 2Na2O [[3]]

Al(OH)3 + HCl = AlCl3 + H2O

The reaction between aluminum hydroxide (Al(OH)3) and hydrochloric acid (HCl) produces aluminum chloride (AlCl3) and water (H2O). The coefficients for this balanced equation are: - Al(OH)3: 1 - HCl: 3 - AlCl3: 1 - H2O: 3 Therefore, the balanced equation is: Al(OH)3 + 3HCl = AlCl3 + 3H2O [[4]]

Al + O2 = Al2O3

The reaction between aluminum (Al) and oxygen (O2) forms aluminum oxide (Al2O3). The coefficients for this balanced equation are: - Al: 4 - O2: 3 - Al2O3: 2 Therefore, the balanced equation is: 4Al + 3O2 = 2Al2O3 [[5]]

NaOH + H3PO4 = Na3PO4 + H2O

The reaction between sodium hydroxide (NaOH) and phosphoric acid (H3PO4) produces sodium phosphate (Na3PO4) and water (H2O). The coefficients for this balanced equation are: - NaOH: 3 - H3PO4: 1 - Na3PO4: 1 - H2O: 3 Therefore, the balanced equation is: 3NaOH + H3PO4 = Na3PO4 + 3H2O [[6]]

K + Cl2 = KCl

The reaction between potassium (K) and chlorine (Cl2) forms potassium chloride (KCl). The coefficients for this balanced equation are: - K: 2 - Cl2: 1 - KCl: 2 Therefore, the balanced equation is: 2K + Cl2 = 2KCl [[7]]

Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O

The reaction between barium hydroxide (Ba(OH)2) and nitric acid (HNO3) produces barium nitrate (Ba(NO3)2) and water (H2O). The coefficients for this balanced equation are: - Ba(OH)2: 2 - HNO3: 2 - Ba(NO3)2: 1 - H2O: 2 Therefore, the balanced equation is: 2Ba(OH)2 + 2HNO3 = Ba(NO3)2 + 2H2O [[8]]

Ba + N2 = Ba3N2

The reaction between barium (Ba) and nitrogen (N2) forms barium nitride (Ba3N2). The coefficients for this balanced equation are: - Ba: 3 - N2: 1 - Ba3N2: 1 Therefore, the balanced equation is: 3Ba + N2 = Ba3N2 [[9]]

KNO3 = KNO2 + O2

The decomposition of potassium nitrate (KNO3) forms potassium nitrite (KNO2) and oxygen (O2). The coefficients for this balanced equation are: - KNO3: 2 - KNO2: 2 - O2: 3 Therefore, the balanced equation is: 2KNO3 = 2KNO2 + 3O2 [[10]]

Al + S = Al2S3

The reaction between aluminum (Al) and sulfur (S) forms aluminum sulfide (Al2S3). The coefficients for this balanced equation are: - Al: 2 - S: 3 - Al2S3: 1 Therefore, the balanced equation is: 2Al + 3S = Al2S3 [[11]]

HgO = Hg + O2

The decomposition of mercury(II) oxide (HgO) forms mercury (Hg) and oxygen (O2). The coefficients for this balanced equation are: - HgO: 2 - Hg: 2 - O2: 1 Therefore, the balanced equation is: 2HgO = 2Hg + O2 [[12]]

Al2O3 + K = K2O + Al

The reaction between aluminum oxide (Al2O3) and potassium (K) forms potassium oxide (K2O) and aluminum (Al). The coefficients for this balanced equation are: - Al2O3: 2 - K: 4 - K2O: 3 - Al: 2 Therefore, the balanced equation is: 2Al2O3 + 4K = 3K2O + 2Al [[13]]

KMnO4 = K2MnO4 + MnO2 + O2

The decomposition of potassium permanganate (KMnO4) forms potassium manganate (K2MnO4), manganese dioxide (MnO2), and oxygen (O2). The coefficients for this balanced equation are: - KMnO4: 2 - K2MnO4: 2 - MnO2: 1 - O2: 3 Therefore, the balanced equation is: 2KMnO4 = 2K2MnO4 + MnO2 + 3O2 [[14]]

HCl + Mg = MgCl2 + H2

The reaction between hydrochloric acid (HCl) and magnesium (Mg) produces magnesium chloride (MgCl2) and hydrogen gas (H2). The coefficients for this balanced equation are: - HCl: 2 - Mg: 1 - MgCl2: 1 - H2: 1 Therefore, the balanced equation is: 2HCl + Mg = MgCl2 + H2 [[15]]

HNO3 = N2O5 + H2O

The decomposition of nitric acid (HNO3) forms dinitrogen pentoxide (N2O5) and water (H2O). The coefficients for this balanced equation are: - HNO3: 4 - N2O5: 4 - H2O: 5 Therefore, the balanced equation is: 4HNO3 = 4N2O5 + 5H2O [[16]]

H2SO4 + Na = Na2SO4 + H2

The reaction between sulfuric acid (H2SO4) and sodium (Na) produces sodium sulfate (Na2SO4) and hydrogen gas (H2). The coefficients for this balanced equation are: - H2SO4: 1 - Na: 2 - Na2SO4: 1 - H2: 1 Therefore, the balanced equation is: H2SO4 + 2Na = Na2SO4 + H2 [[17]]

H3PO4 = P2O5 + H2O

The dehydration of phosphoric acid (H3PO4) forms diphosphorus pentoxide (P2O5) and water (H2O). The coefficients for this balanced equation are: - H3PO4: 2 - P2O5: 1 - H2O: 3 Therefore, the balanced equation is: 2H3PO4 = P2O5 + 3H2O [[18]]

Al + HCl = AlCl3 + H2

The reaction between aluminum (Al) and hydrochloric acid (HCl) produces aluminum chloride (AlCl3) and hydrogen gas (H2). The coefficients for this balanced equation are: - Al: 2 - HCl: 6 - AlCl3: 2 - H2: 3 Therefore, the balanced equation is: 2Al + 6HCl = 2AlCl3 + 3H2 [[19]]

C3H8 = C + H2

The decomposition of propane (C3H8) forms carbon (C) and hydrogen gas (H2). The coefficients for this balanced equation are: - C3H