Part 3. Predict the products and balance the overall double replacement reactions. Assume all reactions occur. In a double replacement reaction, the cations exchange anions: MX + NY- MY+ NX. The product formulas are determined by balancing charges as usual. Use formula subscripts to assure formulas for MY and NX are neutral. "e in: 3. Recall that for ionic compounds, the cations (usually the metal) are always written first. Hints: 1. Hydrogen ions combine with hydroxide to create water: H* + OH H20 2. Carbonic acid, H2CO3, a common product of acids with carbonates, spontaneously decomposes into water and carbon dioxide: H2CO3→ H2O + CO2 Mo Nai ota example: 1 Na2s + 1 Ca(NO3)2 → 1 Cas + 2 NANO3 "a*( Na2CO3 + HCl → 1. t lo K2CrO4 + Pb(NO3)2 . 2. _ : th tio BiCls + H2S → 3. ula CaCl2 → 4. (NH4)2CO3 + FeCls + _NH4OH → 5. ) H2SO4 + _NH4OH → 6. 28 7. sodium metal reacts violently with water to form hydrogen and sodium hydroxide Part 3. Predict the products and balance the overall double replacement reactions. Assume all reactions occur. In a double replacement reaction, the cations exchange anions: by MX + NY- MY + NX. The product formulas are determined by balancing charges as usual. Use formula subscripts to e in? assure formulas for MY and NX are neutral. Recall that for ionic compounds, the cations (usually the metal) are always written first. Hints: 1. Hydrogen ions combine with hydroxide to create water: H* + OH H2O 2. Carbonic acid, H2CO3, a common product of acids with carbonates, spontaneously 7- 3. decomposes into water and carbon dioxide: H2CO3 H20 + CO2 Mo example: 1 Na2s + 1 Ca(NO3)2 → 1 Cas + 2 NANO3 Nai 1. Na2CO3 + HCI > Tota Na ( Pb(NO3)2 - -> 2. K2CrO4 + Net lo H2S > Agʻ(a 3. BiCls Note: th CaCl2 → 4. (NH4)2CO3 + equation Molecula 5. FeCls + NH4OH → BaBrz(e NH4OH→ 6. H2SO4 + Total loni 28 Ba2-(aq) lonic ag) 2.0 A certain type of nail weighs 0.50 lb per dozen. How many nails are contai
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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