Which statement best describes the equation caco3 2hcl → cacl2 co2 h2o?

Answers

Answer 1

Answer: it is balanced so the coefficient would be 1 and it seems to be dehydration synthesis?

Answer 2

Answer: To figure if this equation is balanced or not, we must determine if the reactants are the same as the products.

Ca=1 Ca=1
C=1 C=1
O=3 O=2+1=3
H=2 H=2
Cl=2 Cl=2

Since the amount of each element on the reactants side is equivalent to what is on the products side, we have a balanced equation.

Final answer: This equation is balanced.

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You pull a sled with a package on it across a snow-covered flat lawn. If youapply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. What is the
combined mass of the package and the sled? (Assume there is no friction.)

Answers

You pull a sled with a package on it across a snow-covered flat lawn. If you apply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. The combined mass of the package and the sled m = 52.50 kg

The given data to find Mass,

The force applied to the sled, F = 65.1 N

Acceleration of the sled, a = 1.24 m/s²

What is force?

Forces are defined by both strength and direction.

Force is a vector quantity. It is a quantity that is described by Magnitude and Direction. The strength of a force is its magnitude and the direction, well it is the direction the magnitude is applied on the object.

We need to find the combined mass of the package and the sled. Let it is m. Using definition of force as follows :

F = ma

m = F/a

m = 65.1 /1.24

Mass, m = 52.5 Kg.

If you apply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. The combined mass of the package and the sled m = 52.50 kg

Hence, Option C is the correct answer.

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Answer:52.5

Explanation:

During what phase of the moon does a solar eclipse take place01

Answers

The solar eclipse can occur only at New Moon. The lunar eclipse can occur only at Full Moon.

A statue and a coin are made out of exactly the same materials. Which property would you claim will likely be the same for both the statue and the coin?mass
reactivity
volume
shape

Answers

I believe that the correct answer is reactivity.

Irregular galaxies are very large. True or False?

Answers

Answer:

False , irregular galaxies are not large galaxy.

Explanation:

False , irregular galaxies are not large galaxy.

There is no specific shape of irregular galaxies. They are one of the tiniest galaxies, filled with gas and dust. Having lots of dust and gas means there's a lot of star formation heading at these galaxies. This process can make them very clear. some examples of these type of galaxies are the Major and minor Magellanic Clouds.

it's false i hope this helps :)

a block of mass 5kg slides down an inclined plane that has an angle of 10 degrees if the inclined plane has no friction and the block starts at a height of 0.8m how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is 9.8m/s2. someone help me how to solve this, physics conservation of energy

Answers

The physics conservation of energy E = 39.2 joules.

To calculate the Physics conservation of energy.

Mass of the block, m = 5 kg

At the top, the block will have only potential energy which is given by :

P=mgh

At the bottom of the inclined plane, it will have only kinetic energy which is given by :

E=(1/2)mv2

Applying the conservation of energy as :

E=(1/2)mv2=mgh

E=5*9.8*0.8

E = 39.2 joules.

The physics conservation of energy E = 39.2 joules.

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In this case, the inclined plane is frictionless and therefore energy is perfectly conserved with no losses. The block originally starts off with some gravitational potential energy, which is then completely converted into kinetic energy. So the initial gravitational potential energy is equal to the final kinetic energy.

$PE_(initial) = KE_(final)$
$PE_(initial) =mgh=(5kg)(9.8m/ s^(2) )(0.8m)=39.2 joules$
$KE_(final)=39.2joules$

Which type of rock is created when lava cools and hardens?

Answers

Igneous rocks are created when lava cools and hardens.

It's probably called Magna rock

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The gas in a cylinder has a volume of 3 liters at a pressure of 100 kPa. The pressure of the gas is increased to 203 kPa. Assuming the temperature remains constant, what would the new volume be?