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Elden [556K]
3 years ago
13

Una mariposa voló 743 cm y aterrizó en una rosa. Después voló otros 567 cm hasta una margarita. ¿Cuántos metros recorrió la mari

posa?​
Chemistry
1 answer:
erastova [34]3 years ago
4 0
13. 1 metros
Espero que esto the ayude
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The following reaction, catalyzed by iridium, is endothermic at 700 K: CaO(s) + CH4(g) + 2H2O (g) → CaCO3 (s) + 4H2 (g) For the
arsen [322]

Answer:

A. Increasing the temperature will favor forward reaction and more CaCo3 formed.

B. More CaCo3 will be formed.

C. CaCo3 will decrease and more react ants formed.

D. Less CaCo3 will be formed.

E. Iridium is a catalyst so there is no effect

Explanation:

A. Temperature will increase because it's an endothermic reaction.

B. Adding Cao will favor forward reaction and more CaCo3 formed.

C. Removing methane, more react ants are formed and CaCo3 decreases.

D. Irridi is a catalyst so it has no effect on the CaCo3 but only speeds its rate of reaction.

3 0
3 years ago
The chart below shows the major types of minerals mined in the United States and Australia.
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Fifty percent. plz brainliest my answer
6 0
3 years ago
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The chemical equation of rusting of iron is given
artcher [175]

Answer:

{ \tt{(a). { \bf{reactants : { \tt{iron \:  and \: oxygen}}}}}} \\ { \bf{products :  { \tt{iron(iii)oxide}}}} \\  \\ { \tt{(b).}} \: { \bf{1.204 \times  {10}^{24}  \: atoms}} \\ { \tt{(c).}} \: { \tt{4Fe +3 O _{2}  → 2Fe _{2}O _{3}}} \\  \\ { \underline{ \blue{ \tt{becker \: jnr}}}}

6 0
2 years ago
All help is needed, thanks​
yarga [219]

Answer:

  1. smoke
  2. marshmallow
  3. paint
  4. Body spray

Explaination:

Firstly, what are colloids?

Colloids are a mixture of two substances:

  • one of those substances are insoluble and inseparable

There are 4 types of colloids:

  • Sol- Solid in a liquid
  • Emulsion- Liquid in a liquid
  • Foam- Gas in solid/liquid
  • Aerosol- Solid/liquid in gas

So on to the answers:

  • Smoke consists of solid and gas and since the solid is being carried by the gas, it is a solid in a gas (aerosol)
  • Marshmellow consists of tiny air bubbles and sugar(solid), the air bubbles is inside the solid making it a gas in a solid (foam)
  • Body spray turns gas into liquid after spraying it through the can, making it a liquid in a gas (aerosol)
  • Paint dries up to become solid which makes it a solid is a liquid (sol)

Hope y'all understand

3 0
3 years ago
Calculate the amount of energy required to melt 500 g of ice at 0oc. (δhfus=5.96 kj/mole; δhfus is the energy required to melt i
marta [7]
When you want to melt an ice, you only need the latent energy of fusion, <span>δhfus. We use the given value, then multiply this with the given amount to determine the amount of energy. Since the energy is per mole basis, use the molar mass of ice which is 18 g/mol. The solution is as follows:

</span>ΔH = 5.96 kJ/mol * 1 mol/18 g * 500 g
<em>ΔH = 165.56 kJ</em><span>
</span>
3 0
3 years ago
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