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nalin [4]
2 years ago
13

Mike mixes two chemicals in a container. The container quickly becomes very hot.

Chemistry
2 answers:
Kipish [7]2 years ago
7 0
The chemicals are reactive with one another
ikadub [295]2 years ago
7 0

Answer:

It is a exothermic reaction.

Explanation:

Exothermic reactions release energy to their surroundings.

(pls mark brainliest.)

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The reaction of iron (III) oxide with carbon monoxide produces iron and carbon dioxide.
True [87]

Answer:

21g

Explanation:

no.ofmol fe2o3=39.5/(56×2+16×3)=0.25mol

from equation 1mole fe2o3 react with 3mole co

so,0.25mol fe2o3 react with 0.75mol co

mass of co=0.75×(12+16)=21g

8 0
2 years ago
Read 2 more answers
Calculate the amount of energy when water at 72 degrees c freezes completely at 0 degrees c
gtnhenbr [62]

<u>Answer:</u>

<em>The amount of energy needed when water at 72 degrees c freezes completely at 0 degrees c is 6.37\times10^4 Joules</em>

<em></em>

<u>Explanation:</u>

Q = m \times c \times \Delta T

where

\Delta T = Final T - Initial T

$Q_{1}=100 g \times 4.184 \frac{J}{g^{\circ} \mathrm{C}} \times\left(72^{\circ} \mathrm{C}-0^{\circ} \mathrm{C}\right)$

Q_1 =30125J

Q is the heat energy in Joules  

c is the specific heat capacity (for water 1.0  cal/(g℃))  or 4.184  J/(g℃)

m is the mass of water

mass of water is assumed as 100 g (since not mentioned)

Q_2  is the heat energy required for the phase change

Q_2 =mass × heat of fusion

\\$Q_{2}=100 g \times 336 \frac{J}{g}$\\\\$Q_{2}=33600 J$

Total heat = Q_1 + Q_2

Total Heat = 30123J + 33600J

= 63725 J

= 6.37\times10^4 Joules is the answer

3 0
3 years ago
CO, + H2O –H^2 CO^3 The reaction is which type of chemical reaction?​
Rudik [331]

Answer:

Combination or synthesis reaction

Explanation:

The reaction is a combination or synthesis reaction.

Let us write the reaction equation:

         CO + H₂O →  H₂CO₃

A combination or synthesis reaction is one in which a single product forms from two or more reactants. The formation of a compounds from the union of their constituent elements falls into this category of reaction.

  • The combination of carbon monoxide and water to give hydrogen carbonate is one of such reaction.
6 0
3 years ago
How many ml of naoh are needed to neutralize 15.0 ml of 0.350m ch3cooh?
horsena [70]
I dont know im sorry
5 0
2 years ago
What is pseudoscience?how is it different from non-science?
Anika [276]

Answer:

Pseudoscience is statements claiming to be backed by science, however don’t conform to the scientific method or present facts (most commonly are misconceptions). Whereas, non-science is the of non-scientific subjects, such as; art, history and religion.

Explanation:

5 0
3 years ago
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