1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alex
2 years ago
12

HElp me plzzzzz??????

Chemistry
1 answer:
iris [78.8K]2 years ago
4 0

Answer:

The answer to your question is given below

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

Zn + 2HCl —> ZnCl2 + H2

Thus, we can write out the atoms present in both the reactant and the product by doing a simple head count. The atoms present are listed below:

Element >>> Reactant >>> Product

Zn >>>>>>>> 1 >>>>>>>>>> 1

H >>>>>>>>> 2 >>>>>>>>> 2

Cl >>>>>>>>> 2 >>>>>>>>> 2

You might be interested in
29. If a walnut is burned in a
harkovskaia [24]

Energy were released from the walnut, q = 1,673.6 J

<h3>Equation :</h3>

To find the energy using formula,

q = mcΔt

where,

q is charge

m is mass

c is specific heat of water

Δt is change in temperature

So, given

t₁ = 50°C

t₂ = 60°C

m = 40g

c = 4.184 J/g

Now putting the values known,

We get,

q = mc(t₂ - t₁)

q = 40g x 4.184 J/g x  (60 - 50)

q = 167.36 J x 10

q = 1,673.6 J

<h3>What is heat energy?</h3>

Heat is the thermal energy that is transferred when two systems with different surface temperatures come into contact. Heat is denoted by the letters q or Q and is measured in Joules.

To know more about specific heat :

brainly.com/question/11297584

#SPJ9

8 0
1 year ago
Which of the following is true about the differences between the "Plum Pudding" model and Rutherford's model? There are two poss
Ugo [173]
I think it is the letter A because they both Make sense
7 0
3 years ago
Choose a reasonable explanation to account for the differences. There may be more than one possible reason that makes sense, jus
Ugo [173]

Answer:

A. It is possible not all of the water was evaporated from the sand, causing the recovered mass to be higher

D. While drying the NaCl, the liquid boiled and some splattered out of the evaporating dish, causing the recovered mass to be higher.

Explanation:

Sand absorbs water and stores it. The sunlight causes the water to evaporate but sand can hold some of the water inside it. This results in increase in mass of the sand. The mass of sand before and after the water evaporation can be different.

6 0
3 years ago
What is the definition of an alternative acid?
Fantom [35]

alternative acids are more cost-effective and allow for flavor expression through nontraditional methods and ingredients, making for increased versatility.

6 0
2 years ago
Mass is a measure of weight.<br><br><br> A. True B. False
notka56 [123]

Answer: haii~! ur answer is A.) true

Explanation: <u><em>hope dis helps ^^</em></u>

4 0
2 years ago
Read 2 more answers
Other questions:
  • A student performs a titration on 25.0 mL of 0.500M HCL(aq) which is placed in an Erlenmeyer flask. Two drops of indicator are a
    6·1 answer
  • a compound is 21.20% nitrogen,6.06% hydrogen, 24,30% sulfur, and 48.45% oxygen. write the empirical formula and name the compoun
    9·1 answer
  • 18.From the following list of aqueous solutions and water, select the one with the highest boiling point.a.1.0 mKNO3b.2.0 mC12H2
    5·1 answer
  • At 19.9 degrees Celsius, we dissolve a salt crystal.
    11·1 answer
  • Which of the following atoms releases more energy than oxygen when an electron is added to its valence energy level?
    14·1 answer
  • How many molecules of Helium are in 1.0 mole?
    6·1 answer
  • Help plz and no link​
    14·1 answer
  • Which reason best explains why plasmas are good conductors of electricity? They have mobile charged particles. They are at extre
    7·2 answers
  • Matter doesn't have to take up space as long as it has mass.
    11·2 answers
  • What is the name of the molecular covalent compound kbr.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!