Ask question

Ask question

All categories

3 years ago

8

1. What makes a compound a base?

1 answer:

BigorU [14]3 years ago

4 0

Answer:

Explanation:

1. What makes a compound a base?

C. It dissolves into Hydroxide ions in water (OH-)

2.what makes a compound a acid ?

A. It dissolves hydrogen ions in water (H+ or H30+)

You might be interested in

Which planets are visible without a telescope

Annette [7]

The planet MARS is visible without a telescope on many clear nights. The planets JUPITER, MERCURY, VENUS and SATURN are also viewable without the aid of magnification.

3 0

3 years ago

How death rate helps in changing population

lapo4ka [179]

Both the birth and death rate are expressed per 1000 of the population.

6 0

3 years ago

if you run around a circle at 4.5 m/s and the circle has a radius of 7.7 m, what is your centripetal acceleration?

madreJ [45]

Answer:

Centripetal acceleration,

$a_{c} =2.63\ m/s^{2} }$

Explanation:

Centripetal acceleration:

Centripetal acceleration is the idea that any object moving in a circle, in something called circular motion, will have an acceleration vector pointed towards the center of that circle.

Centripetal means towards the center.

Examples of centripetal acceleration (acceleration pointing towards the center of rotation) include such situations as cars moving on the cicular part of the road.

An acceleration is a change in velocity.

Formula for Centripetal acceleration:

$a_{c} =\frac{(velocity)^{2} }{radius}$

Given here,

Velocity = 4.5 m/s

radius = 7.7 m

To Find :

$a_{c} = ?$

Solution:

We have,

$a_{c} =\frac{(velocity)^{2} }{radius}$

Substituting given value in it we get

$a_{c} =\frac{(4.5)^{2}}{7.7} \\\\a_{c} =\frac{20.25}{7.7}\\\\a_{c} =2.629\ m/s^{2} \\\\\therefore a_{c} =2.63\ m/s^{2$

Centripetal acceleration,

$a_{c} =2.63\ m/s^{2} }$

7 0

3 years ago

When electrons in an atom in an excited state fall to lower energy levels, energy is?

dusya [7]

Radiated away as electromagnetic radiation.

5 0

3 years ago

The instantaneous emf resulting from magnetic induction equals the rate of change of flux is

katen-ka-za [31]

Lenz's Law: The polarity of the induced emf is such that it produces a current whose magnetic field opposes the change in magnetic flux through the loop.

7 0

3 years ago