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ikadub [295]
3 years ago
6

Which of the following correctly describes the size of meteoroids?

Chemistry
2 answers:
lapo4ka [179]3 years ago
7 0

Answer:

The correct answer is C. Meteoroids are smaller than comets and asteroids

Explanation:  Asteroids go as far as a kilometer in size while meteoroids can be as big as a house. Comets are out of all comparison as they can be up to 80 000 km long.

siniylev [52]3 years ago
4 0
Meteoroids are smaller than comets and asteroids.
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Which statement is true?
AleksandrR [38]

Exothermic reaction is where there is release of energy during a reaction

The enthalpy of exothermic reaction is negative

The relation between energy of products, reactants and enthalpy of reaction is

Enthalpy of reaction =  sum of enthalpy of formation of products - sum of enthalpy of formation of reactants .

As enthalpy of reaction is negative, it means the enthalpy of products is less than the enthalpy of reactants  so answer is :

In an exothermic reaction the energy of the product is less than the energy of the reactants.

7 0
3 years ago
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How can u separate saturated, unsaturated and supersaturated solution?​
Kruka [31]

Answer:

Saturated = The solution cannot dissolve any more solute at a given temperature

2) Unsaturated = solution can dissolve more solute at a given temperature.

3) Supersaturated = Solution which has more solute than its saturated solution

Explanation:

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4 0
2 years ago
How many moles are in 25 g of NaCl
Olenka [21]
4.5098 moles i believe'
3 0
3 years ago
Complete each statement to identify the form of asexual reproduction.
Mrrafil [7]

Spore formation is a form of asexual reproduction used by mushrooms and molds.

During  budding, the offspring grows from the body of the parent.

Fragmentation is a form of asexual reproduction that must be followed by regeneration.

Explanation:

Asexual reproduction is the type of reproduction where the gamete formation and fusion have no relevance or existence. It functions on the process of somatic cell division via mitosis and the offsprings are identical to their parents.

The spore formation occurs in fungi through sporangia, bursting open to shed spores, forming into a new young ones. Budding occurs out as an outgrowth of the parent and attains maturity and separates. Fragmentation is the process where the parents fall apart into pieces and regeneration follows.

8 0
3 years ago
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Calculate the speed of a train that travels 540 km in 9 hours​
tiny-mole [99]

Answer:

s=d/t. d=540 t=9h

540÷90=6 km/h

8 0
2 years ago
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