When oxygen and hydrogen combine they form a polar covalent bond
Answer:
3(NH₄)₂SO₄(aq) + 2Cr(NO₃)₃(aq) → 6NH₄NO₃(aq) + Cr₂(SO₄)₃(s)↓
Explanation:
- Aqueous ammonium sulfate reacts with aqueous chromium(III) nitrate, forming aqueous ammonium nitrate and a precipitate of chromium(III) sulfate according to the balanced equation:
<em>3(NH₄)₂SO₄(aq) + 2Cr(NO₃)₃(aq) → 6NH₄NO₃(aq) + Cr₂(SO₄)₃(s)↓</em>
3.0 moles of ammonium sulfate reacts with 2.0 moles of chromium(III) nitrate, forming 6.0 moles of ammonium nitrate and 1.0 mole of chromium(III) sulfate.
The partial pressure of gas C is 0.54atm. The correct option is D.
<h3>What is partial pressure?</h3>
The pressure that one of the gases in a mixture would exert if it were in the same volume on its own.
The total pressure of A, B and C is 6.11 atm.
The partial pressure of A is 1.68 atm
The partial pressure of B is 3.89 atm.
Total pressure = sum of partial pressures of all the gasses in that mixture
6.11atm = 1.68atm + 3.89atm + Pc
Pc = 6.11atm - (1.68 + 3.89) = 0.54atm
Thus, the partial pressure of C is 0.54atm. The correct option is D.
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Fair weather and light winds.
Answer:
Fluorescent luminaire is the assembly that forms a lamp, called a fluorescent tube, and an armature, which contains the accessories necessary for operation. In certain places, only the lamp is known as a luminaire. The lamp is low pressure mercury vapor discharge and is normally used for domestic or industrial lighting. Its advantage over other types of lamps, such as incandescent lamps, is their energy efficiency.
The lamp consists of a thin glass tube lined internally with various compound chemicals called phosphors, although they generally do not contain the chemical element phosphorus and should not be confused with it. Those chemical compounds emit visible light when receiving ultraviolet radiation. The tube also contains a small amount of mercury vapor and an inert gas, usually argon or neon, at a pressure lower than atmospheric pressure. At each end of the tube is a filament ...
Explanation: