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Gre4nikov [31]
3 years ago
12

Bethany had a beaker with a small amount of baking soda. She added a few drops of pickle juice to the baking soda and observed f

izzing and bubbling. Based on her observation, which of these can Bethany determine about the new substance formed by mixing the baking soda and pickle juice?
Options:


A chemical reaction produced a gas.


A chemical reaction produced a solid.


No chemical reaction took place.


Only a physical change happened.
Physics
2 answers:
kozerog [31]3 years ago
7 0
A chemical reaction produced a gas
IgorC [24]3 years ago
5 0

A chemical reaction produced a gas. I use to make rockets with baking soda and vinegar. Just put the 2 together and jam a plug in the top and the gas will shoot it into the air.

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Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0mph and half the
sashaice [31]

Answer:

52.47706 mph

54.5 mph

Explanation:

The average speed is given by

V_{av}=\dfrac{Distance}{Time}

V_{av}=\dfrac{100}{\dfrac{50}{44}+\dfrac{50}{65}}\\\Rightarrow V_{av}=52.47706\ mph

Julie's average speed on the way to Grandmother's house is 52.47706 mph

V_{av}=\dfrac{44+65}{2}\\\Rightarrow V_{av}=54.5\ mph

Average speed on the return trip is 54.5 mph

4 0
3 years ago
If an object has a mass of 25 grams and a volume of 5 mL, then what is the density of the object?
vazorg [7]

Answer:

5

Explanation:

density = mass/volume

density = 25g /5 mL

density = 5

6 0
3 years ago
What forces keep an air hockey puck hovering motionless above an air hockey table?
Mnenie [13.5K]
<span>C. the puck's weight and the air blowing </span>
4 0
3 years ago
Read 2 more answers
The amount of gravitational pull an object experiences is its<br> a mass<br> b density
nata0808 [166]

The amount of gravitational pull an object experiences is its mass

<h3>What is Weight ?</h3>

Weight can be define as gravitational pull an object. It is a product of mass and acceleration due to gravity. That is, W = mg. It is measured in Newton (N)

The amount of gravitational pull an object experiences is its mass and not  density because the weight of an object depend on its mass and acceleration due to gravity.

W = mg

where

  • W = weight
  • m = mass
  • g = acceleration due to gravity

Therefore, the amount of gravitational pull an object experiences is its mass

Learn more about Weight here: brainly.com/question/19753744

#SPJ1

7 0
2 years ago
3. Nearsighted people can undergo a medical procedure called keratotomy to produce normal (or at least more-normal) vision. In t
Mademuasel [1]

Answer:

P= -1.83D

Explanation:

Given,

u=-6 m

v=-50 cm = - 0.5 m

the power of the lens

P = 1/f = 1/v = 1/u

P = 1/ -0.50 + 1/6

P = -1.83D

7 0
3 years ago
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