2 years ago

A. True b. False a chemical species is either an acid or a base, it cannot function as both

1 answer:

ivann1987 [24]2 years ago

3 0

False They can function as both. An example is Aluminium Oxide. These kind of substances are called "Amphoteric", they can behave as both acids and bases.

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3. Burns from boiling water can be severe, caused by the transfer of energy from the boiling water to the

Free_Kalibri [48]

Answer:

Q = 3937.56 J

Explanation:

Heat transferred due to change in temperature is given by :

$Q=mc\Delta T$

c is the specific heat of water, c=4.18 J/g-°C

We have, m = 15 g, $T_i=100^{\circ} C\ \text{and}\ T_f=37.2^{\circ} C$

So,

$Q=15\times 4.18\times (37.2-100)\\Q=-3937.56\ J$

Hence, 3937.56 J of heat is transferred.

8 0

3 years ago

A __ is a continuous range of a single feature such as wavelength

Gwar [14]

Hey there!

The correct answer to your question is: Spectrum

A spectrum, by definition, is a range of colors which are produced by separating certain colors of light.

Thank you!

6 0

2 years ago

These two questions please

zhenek [66]

Answer:

1.) 3

2.) 60 CM

Explanation:

1. Density= $\frac{MASS}{VOLUME}$ = $\frac{75}{25}$