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ZanzabumX [31]
3 years ago
7

molecules on an acid base indicator react chemically with ions in a solution causing the indicator to change color. which ions i

n the solution cause this reaction
Physics
2 answers:
Maksim231197 [3]3 years ago
5 0
The appropriate response is hydrogen ions. It entirely, the core of a hydrogen particle isolated from its going with an electron. The hydrogen core is comprised of a molecule conveying a unit positive electric charge, called a proton.


I hope the answer will help you. 
ruslelena [56]3 years ago
5 0

hydrogen ions the answer would be the third option.

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Can someone help? Thanks.
Lilit [14]

The average speed of Frank's car is 2 m/s and the average speed of Noah's car is 1.8 m/s.

<u>Explanation:</u>

Average speed is the measure of total distance covered at different time period. Since, the formula used for calculating the average speed is the ratio of total distance covered by each car to the time taken to cover that distance.

As there is only one set of data i.e., distance and time, the average speed will be equal to the speed of the car.

So in this case, the total distance covered by franks car is 300 cm = 3 m in 1.5 s. Then, the average speed will be

Avg. S_{frank} = \frac{Total\ distance\ rolled\ by\ his\ car}{Time\ taken}

Avg.S_{frank} =\frac{300 \times 10^{-2} }{1.5}=2\ m/s

Similarly, the average speed of Noahs car which rolled a distance of 360 cm = 3.6 m in time 2 s, will be

Avg.S_{Noah} =\frac{360 \times 10^{-2} }{2}=1.8\ m/s

Thus, the average speed of Frank's car is 2 m/s and the average speed of Noah's car is 1.8 m/s.

4 0
4 years ago
Need help as fast as possible please<br> Thank you!
alekssr [168]

Answer:

b is the answer.. hope it helps

5 0
3 years ago
Read 2 more answers
Arrange the phases of the Moon in order of increasing rising time, from the phase with the earliest rising time at 12:00 a.m. to
ZanzabumX [31]

Answer:

Lets assume the Sun rise time to be 06:00 AM. The rise time of different phases of Moon will be as follows:

12:00 AM : Waning Half

01:00 AM - 05:00 AM : Waning Crescent

06:00 AM : New Moon

07:00 AM - 11:00 AM : Waxing Crescent

12:00 PM :  Waxing Half

01:00 PM - 06:00 PM : Waxing Gibbous

06:00 PM : Full Moon

07:00 PM - 09:00 PM : Waning Gibbous

Explanation:

The Moon is the only celestial object which shows visible changes in its shape and rise and set time over a very short period of time i.e. just one day. One can observe it by observing the Moon daily. One will notice the change easily. This happens because of the geometry of the Sun, Earth and Moon. The Moon doesn't have its own light and shines because of the light of Sun.

At any given time half of the Moon would be illuminated by the Sun but how much of this illuminated portion is facing the Earth decides the phase of the Moon visible from the Earth. Due to this the Moon shows us various phases namely: New, Waxing Crescent, Waxing Half, Waxing Gibbous, Full, Waning Gibbous, Waning Half, Waning Crescent.

Also, the Moon revolves around the Earth completing the orbit in 29.5 Days. Everyday the Moon will change its position in the orbit. Due to this the rising time of Moon shifts by approximately 52 minutes daily. So, the New Moon rises with the Sun and Full Moon rises just after the sunset.

Lets assume the Sun rise time to be 06:00 AM. The rise time of different phases of Moon will be as follows:

12:00 AM : Waning Half

01:00 AM - 05:00 AM : Waning Crescent

06:00 AM : New Moon

07:00 AM - 11:00 AM : Waxing Crescent

12:00 PM :  Waxing Half

01:00 PM - 06:00 PM : Waxing Gibbous

06:00 PM : Full Moon

07:00 PM - 09:00 PM : Waning Gibbous

5 0
3 years ago
Only kealani57 can have it no one can have this points if you take the points you will get reported
MatroZZZ [7]

Hi sorry she is a little mean sorry

:(        :(        :(       :(      :(     :(      :(      :(     :(     :(     :(     :(     :(     :(     :(     :(     :(

7 0
3 years ago
What causes ice to melt and water to boil
jekas [21]
Ice melts due to the chemical properties of water. There are more hydrogen bonds between the molecules of ice than in water.

Water boils when the thermal energy in the water, which is a type of kinetic energy which causes the water molecules to move around, exceeds the strength of the hydrogen bonds between the other molecules.
5 0
3 years ago
Read 2 more answers
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