Adetailed explanation about how we measure heat.

An outside thermometer used to gauge the normal warm vitality noticeable all around. A warm infrared camera used to picture warm. . Warmth is estimated in amounts called joules (articulated equivalent to gems) in the decimal standard for measuring and in British Thermal Units (BTU) in the English framework. Warmth can likewise be estimated in calories.

c. is the answer

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percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally