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Brums [2.3K]
3 years ago
5

Describe what a reactant is

Physics
2 answers:
ohaa [14]3 years ago
4 0

Answer:

the element that takes part in a chemical reactions

there are usually two or more reactants in chemical reactions

except decomposition reactions

Ann [662]3 years ago
4 0

Answer:

Reactant- starting materials in a chemical reaction. Reactants undergo a chemical change in which bonds are broken and then new bonds are formed.

Explanation:

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What properties does a loud, shrill whistle have? a.) high amplitude, high frequency
marysya [2.9K]

Answer:

a.) high amplitude, high frequency

Explanation:

Frequency and amplitude are properties of sound. Varying these properties changes how people perceive sound.

While hearing sound of a particular frequency we call it pitch i.e., the perception of a frequency of sound.

High pitch means high frequency and high frequency is perceived to have a shrill sound.

The loudness of a sound is measured by the intensity of sound i.e., the energy the sound possesses per unit area. As the amplitude increases the intensity increases. So, a loud sound will have higher density.

Hence, the loud shrill whistle will have high frequency and high amplitude.

4 0
3 years ago
One container has 100 mL of water and a second container has 1000 mL of water. If the temperature in both containers is 22 C (71
kicyunya [14]
The 100 mL because it has less space to fill up with the tenperature
5 0
3 years ago
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Push a notebook or some other object so that it slides across a table or desktop. What force causes the notebook to start moving
Tju [1.3M]

Answer:

Kinetic force

Explanation:

7 0
3 years ago
A paper clip moves towards a magnet lying on a table. What forces are present in this situation? How do these forces compare?
Hatshy [7]
The magnet is at a gravitational force while the paper clip is at an applied force
5 0
2 years ago
Suppose a miracle car has a 100% efficient engine and burns fuel having an energy content of 40 MJ/L. If the air resistance and
Stolb23 [73]

Answer:

Distance traveled in 1 liter = 40 km

Explanation:

Distance traveled = Energy / Opposing force = 40 x 10^6 J / 1000 N = 40000 m or 40 km

So, the car will moves to a distance of 40 km per liter under the opposing force of 1000 N…

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