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Because heat can either be hot which is positive, or cold which is negative. Hot and cold are relative terms which means it is a comparison to another temperature.
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Is the product of a negative number sometimes negative always negative or sometimes?
it's only negative if it's being multiplied by a positive number. If it's being multiplied by another negative number than it will be positive.
Is the difference of a negative integer and a positive integer is sometimes positive?
yes
Is the difference between a negative integer and a positive integer always a negative integer?
sometimes
Can a negative and a negative make a positive?
In multiplication and division: always. In addition: never. In subtraction: sometimes.
What is a negative - positive?
Negative * positive = negative Positive * positive = positive Negative * negative = positive
Is negative n always sometimes or never a positive number?
Sometimes.* If "n" is positive, "-n" is negative. * If "n" is negative, "-n" is positive. * If "n" is zero, "-n" is also zesro.
When heat flows into a system its value is When heat flows out of a system its value is negative?
When heat flows into a system, its value is positive because the system is gaining heat energy. When heat flows out of a system, its value is negative because the system is losing heat energy.
Is the difference of a negative integer and a negative integer is always negative?
no sometimes there positive i
Is the product of a negative number sometimes negative always negative or sometimes?
it's only negative if it's being multiplied by a positive number. If it's being multiplied by another negative number than it will be positive.
Is the difference of a negative integer and a positive integer sometimes negative?
yes
Is the difference of a negative integer and a positive integer is sometimes positive?
yes
Ethnocentrism positive or negative in Canada?
this term is positive but sometimes can be negative. Ethnocentric is a big cause of civil wars
Can a o positive father and a o negative mother have an a positive baby?
sometimes
Is the sum of positive and negative integers sometimes positive yes or no?
Yes. But NOT always.
When heat flows into the system the sign of heat is negative?
No, when heat flows into a system, it is considered positive. Positive heat indicates heat is being added to the system, increasing its internal energy. Negative sign would indicate heat is being lost or leaving the system.
Is the difference between a negative integer and a positive integer always a negative integer?
sometimes
When flows into a system its value is positive. When heat flows out of a system its value is negative.?
heat
