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
grin007 [14]
3 years ago
7

In a chemical reaction, the mass of the products ____.

Chemistry
2 answers:
Pani-rosa [81]3 years ago
5 0
In a chemical reaction, the mass of the products<span> is less than the mass of the reactants.
the first step in most stoichiometry problems is to <span>convert given quantities to moles.

Hope this helps! If it did, pls marky me brainly thank, and 5star me</span>

</span>
Afina-wow [57]3 years ago
3 0

In a chemical reaction, the mass of the products \boxed{{\text{c}}{\text{. is equal to the mass of reactants}}}.

The first step in most stoichiometry problems is to \boxed{{\text{b}}{\text{. convert given quantities to moles}}}.

Further Explanation:

Chemical reaction

When one set of substances are converted to another set by the chemical conversion, it is called chemical reaction. The substances that undergo bond breaking between them and that are initially present are known as reactants. The substances that are finally formed after the completion of chemical reaction are called products. Law of conservation of mass and energy hold good for every chemical reaction.

Law of conservation of mass:

This law states that the mass of an isolated system can neither be created nor be destroyed in a chemical reaction. In other words, the mass of reactants will always be equal to the mass of products.

Therefore, the mass of the products is equal to the mass of reactants.

Stoichiometry is used for determination of amount of different species involved in chemical reaction. It is used to calculate moles of any particular substance if the moles of other substances are known.

The general chemical equation is as follows:

 {\text{X}} + 2{\text{Y}} \to 3{\text{Z}}

Where,

X and Y are reactants.

Z is the product.

Following are the steps to solve stoichiometric problems:

Step 1: The units of substances present in the balanced chemical reaction are converted into moles.

Step 2: The moles of desired substance are calculated with the use of mole ratio.

Step 3: The number of moles of required substance as calculated in the previous step are then converted into the desired units.

Therefore the first step in the solution of stoichiometric problems is to convert the given quantities to moles.

Learn more:

  1. What does conserving mass mean in a chemical reaction? brainly.com/question/2093705
  2. Write the chemical formula of the compound: brainly.com/question/10585691

Answer details:

Grade: High School

Subject: Chemistry

Chapter: Basic concepts of chemistry

Keywords: stoichiometry, moles, law of conservation of mass, chemical reaction, reactants, products, mass, isolated system, created, destroyed. \

You might be interested in
If a man has brown eye with the recessive gene for blue eyes (Bb), each of his sex cells will have
iren [92.7K]
B - brown eyes
b - blue eyes

If we were to fill out a punette square each of his sex cells would contain at least one brown eyed gene. 
8 0
3 years ago
Read 2 more answers
La densidad del óxido de magnesio. MgO, es de 3.581 g/cm3 El MgO, es de 3.581 g/cm3 El MgO cristaliza con ordenamiento cúbico co
Jobisdone [24]

Answer:

a=4.213cm

r=1.490x10^{-8}cm

Explanation:

Hola.

En este caso, para calcular la longitud (a) de una cara de celda unitaria, consideramos la siguiente ecuación:

\rho =\frac{#at*M}{a^3N_A}

En la que consideramos el número de átomos por celda (4 para FCC), la masa molar (40.3 g/mol para MgO) y el número de avogadro para obtener:

3.581g/mol = \frac{4atom/celda*40.3g/mol}{a^3*6.02x10^{23}atom/mol}

Despejando para a, obtenemos:

a^3 = \frac{4atom/celda*40.3g/mol}{3.581g/cm^3*6.02x10^{23}atom/mol}\\\\a=\sqrt[3]{7.478cm^3} \\\\a=4.213cm

Finalmente, el radio lo calculamos como:

r=\frac{\sqrt{2}*a}{4}=\frac{\sqrt{2}*4.213x10^{-8}cm}{4}\\\\r=1.490x10^{-8}cm

¡Saludos!

6 0
3 years ago
How do protons in the nucleus behave?
IRISSAK [1]

Answer:

Protons and neutrons are made up of smaller subatomic particles. When protons or neutrons get close enough to each other, they exchange particles (mesons), binding them together. Once they are bound, it takes considerable energy to break them apart.

7 0
3 years ago
Explain why photosynthesis is much slower in underwater plants.
Viktor [21]

Answer:

Gases such as carbon dioxide diffuse much more slowly in water than in air. Plants that are fully submerged have greater difficulty obtaining the carbon dioxide they need. To help ameliorate this problem, underwater leaves lack a waxy coating because carbon dioxide is easier to absorb without this layer.

Explanation:

8 0
3 years ago
Read 2 more answers
What is the zero point 0,K on the kelvin scale called?
solniwko [45]
By international agreement, absolute zero is defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and –273.15 degrees Celsius on the Celsius scale.
5 0
3 years ago
Other questions:
  • What is the total volume of solution that was dispensed from this burette? before <br><br> after
    13·2 answers
  • How many moles of ethyl alcohol, C2H6O, are in a 16.0 g sample
    10·1 answer
  • The incredible catalytic power of enzymes can perhaps best be appreciated by imagining how challenging life would be without jus
    6·1 answer
  • 1 lb of CO2 occupies 0.6 ft^3 at a pressure of 200 psi. Determine the temperature of the system.
    12·1 answer
  • Which of this is not an effect of humans using a natural recourse?
    11·1 answer
  • What happens when light waves pass between two materials of different densities?
    8·2 answers
  • Classification of organisms allow the identification of shared characteristics, which reveals how organisms interact with the co
    7·2 answers
  • Helpppp me plzzzzzzzzzzzzzzzzzzzzz
    11·1 answer
  • A mixture of hydrogen (2.02 g) and chlorine (35.90 g) in a container at 300 K has a total gas pressure of 748 mm Hg. What is the
    6·1 answer
  • Nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 6.16 mmol of C, 8.56 mmol of H, and
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!