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How can physical and chemical properties be used to identify an unknown sustance?
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Is zonrox is a sustance or mixtures?
Mixture
What is a pure sustance for science grade 7?
99,99999 % purity
What is the indigestible part of a plants is?
Primarily cellulose, which unlike animal cells, use cellulose for their cell walls instead of phospholipids. Most animals lack the ability to digest cellulose, except for ruminants like cows, which have an enzyme called cellulase to break this down.
Does vinegar freeze faster than saltwater?
Hot water will freeze faster than vinegar because the hot water atoms will slow quickly and the vinegar will take longer to freeze because it contains an oil like sustance which take lionger to freeze.
What is the substance when 10kg of a sustance underwent a 3 k change in temperature when 11500 j of energy as heat was added to the substance?
Q=mC(Tf-Ti) C= Q/m/(Tf-Ti) = 11.5/10/3 = .383 kJ/(kg*K) find out what substance has that heat capacity value: copper is one of them
Is a boiling point a chemical property of a sustance?
No, boiling points and freezing points are physical properties.
This type of of change produces a new sustance what is the substance?
chemical propertieschemical propertieschemical properties
This type of of change produces a new sustance?
chemical change
Is the ununoctium element a pure sustance?
A chemical element is pure.
For toxic chemical sustance to harm you repeat exposure is needed or a one time exposure will do harm on you?
it can hury you. it can hury you.
The sustance that reduces surface tensin in the alveoli is?
Surfactant is a substance which lines the inside of alveoli. It is composed of a phospholipid bilayer, which have hydrophyllic and hydrophobic properties. This allows it to reduce surface tension.
Is zonrox is a sustance or mixtures?
Mixture
What is a measure of movement particles in a sustance?
Temperature.
What type of sustance is crude oil?
compound
What cannot change to a new sustance?
energy
Which sustance is safe for a pregnant woman?
Calcium
In a scientific equasion what is the name of the sustance after the arrow?
the product(s)
