Coins or anything copper
Explanation
They are everyday objects that turn green.
Answer:
49.2°C is the temperature
Explanation:
Based on Charles's law, the absolute temperature of a gas is directly proportional to the volume under constant pressure. The equation is:
V1 / T1 = V2 / T2
<em>Where V is volume and T is absolute temperature of 1, initial state and 2, final state of the gas.</em>
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Computing the values of the problem:
V1 = 0.432L
T1 = -20.0°C + 273.15K = 253.15K
V2 = 0.550L
T2 = ?
0.432L / 253.15K = 0.550L / T2
322.3K = T2
322.3K - 273.15 =
<h3>49.2°C is the temperature</h3>
Answer: -
Group 5 - Metalliods.
Group 7 - Halogens Group
Group 8 - Noble Gases
Explanation: -
Group 1 are the alkali metals.
Group 2 are the alkaline earth metals.
Group 5 are a part of transition metals which range from Group 3 to Group 12.
Group 17 are the halogens.
Group 18 are the noble gases.
Answer:
b no answer is coorect ok