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1. ### Chemistry question about CaC2?

CaC2 + 2 H2O → C2H2 + Ca (OH)2 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O ...

1 Answers · Science & Mathematics · 22/11/2020

2. ### Can I get help writing a balanced equation for the neutralization of calcium hydroxide with nitric acid?

... Acid + Calcium hydroxide ➜ calcium nitrate + water 2HNO₃ + Ca (OH)₂ ➜ Ca (NO₃)₂ + 2H₂O or 2...

2 Answers · Science & Mathematics · 10/11/2020

3. ### Chemistry?

3 Ca (OH)2 + 2 H3PO4 → Ca3(PO4)2 + 6 H2O (9.20 mol H2O) x (3 mol Ca (OH)2 / 6 mol H2O) = 4.60 mol Ca (OH)2

1 Answers · Science & Mathematics · 08/11/2020

4. ### When 1.045 g of CaO is added to 50.0 mL of water at 25.0oC in a calorimeter, the temperature of the water increases to 32.3 oC...?

(4.184 J/g·°C) x (1.045 g + 50.0 g) x (32.3 - 25.0)°C / (1.045 g CaO / (56.0774 g CaO/mol)) = 83664 J/mol = 83.7 kJ/mol

1 Answers · Science & Mathematics · 04/11/2020

5. ### How many moles of HBr are needed to neutralize 1 mole of Ca (OH)2?

2 moles

1 Answers · Science & Mathematics · 03/11/2020

6. ### Maple syrup has density 1.325g/mol and 100.00g of maple syrup contain 67mg of calcium in form of Ca ^2+. What is  molarity of calcium in syru?

mass of 1 L maple syrup = 1325 gm mass of Ca 2+ = 1325/100 x 67 x 10^-3 = 0.88775 gm M = 0.88775/40.078 x 1000/1000 = 0.0222M

1 Answers · Science & Mathematics · 29/10/2020

7. ### Having trouble with this Chem problem?

...think of with a molar mass like that and with i = 3 is calcium iodate monohydrate, Ca (IO3)2·H2O.]

1 Answers · Science & Mathematics · 29/10/2020

8. ### balance this equation?

2Li3PO4 + 3Ca(NO3)2 → 6LiNO3 + Ca3(PO4)2 Please Rate me Lauren!!

1 Answers · Science & Mathematics · 28/10/2020

9. ### Use the activity series of metals (Table 7.5) to predict the outcome of each of the following reactions. If no reaction occurs write NAR.?

...c) 2Al(s) + Cu²⁺(aq) → 2Al³⁺(aq) + 3Cu(s) d) Ca (s) + 2HNO₃(aq) → Ca (NO₃)₂(aq) + H₂(g...

1 Answers · Science & Mathematics · 28/10/2020

10. ### Use Appendix Table A-14 to write the reaction illustrating the formation of each of the following compounds from its elements. ?

... (you'll need to find the ΔH values) are: a. Ca (s) + Cl2(g) --> CaCl2(s) ΔH = ____ b. 2 C(graphite...

1 Answers · Science & Mathematics · 14/10/2020