ANSWER THESE 3 QUESTION AND I WILL GIVE OUT THE BRAINLIEST

Chemistry

2 answers:

Lana71 [14]2 years ago

6 0

Answer:

A positive acceleration means and increase

A negative acceleration is a decrease

a zero acceleration is a constant movement so its not increasing or decreasing just constant

Explanation:

ladessa [460]2 years ago

4 0

<h2> $\sf \pink{Question}$ </h2>

What is a positive acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

If the velocity of an object increases with time, its acceleration is positive.

<h2 /><h2> $\sf \pink{Question}$ </h2>

What is a zero acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

Zero acceleration is an acceleration, just with zero magnitude. Motion with constant velocity is just a special case of motion with uniform acceleration.

<h2> $\sf \pink{Question}$ </h2>

What is a negative acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

A negative acceleration means you will subtract from the current value of the velocity, and a positive acceleration means you will add to the current value of the velocity. ... And if the acceleration points in the opposite direction of the velocity, the object will be slowing down.

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What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/mL, should be used to make 4

geniusboy [140]

Answer:

5.195 ml

Explanation:

Dissociation of HCl yields;

HCl(aq) ⇄ H⁺(aq) + Cl⁻(aq)

∴ [HCl] = [H⁺] = [Cl⁻]

pH = 1.9

= -log[ H⁺]

= $10^{-pH}$