Answer:
When a solid turns directly to a gas this is called sublimation. From the graph it can be seen if the pressure is raised to ~5 atm as the CO2 warms up, it will pass through its triple point.
Explanation:
Answer:
41.17
Explanation:
n Zn = mass / m.wt
= 8.75 /(65.4) = 0.1338 mole
n HCL = ( from the balanced equation )
<u> 2HCL</u> <u>Zn</u>
2mole → 1 mole
x mole → 0.1338mole
n HCL = .268 mole
M= mole/liter
6.50= 0.268/x
so u have0.04117 liter = 41.17 ml
Answer:
The formula for ammonium is NH₄⁺
Answer:
Copper does not react with water because the oxygen in water is locked into a compound with one part oxygen and two parts hydrogen. Copper oxide is a compound from the two elements copper and oxygen. Copper in moist air slowly acquires a dull green coating (patina) because its top layer has oxidised with the air.
Explanation:
Answer:
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