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
bonufazy [111]
3 years ago
10

Help please

Chemistry
2 answers:
kipiarov [429]3 years ago
6 0

The correct options are these:

1. It will follow the law of conservation of mass.

2.The mass of products will be equal to the mass of the reactants.

The law of conservation of mass states that ' matter can neither be created nor destroyed. Thus, if a chemical equation is balanced, the mass of the reactant at the beginning of the reaction will be equal to the mass of the product after the reaction. This shows that the chemical reaction obeys the law of conservation of mass.

gladu [14]3 years ago
5 0
The answer is 1 and 3. 
You might be interested in
How many vowels does the word love have
ladessa [460]
Two. O and E are both vowels
6 0
3 years ago
Read 2 more answers
A 270.0 gram piece of copper is dropped into 300.0 grams of water 24.00 °C. If the final temperature of water is 42.00 °C, what
Papessa [141]

Answer:

257

Explanation:

Just finished the test

4 0
3 years ago
I need help!!! Calculating pH, pOH, [H+] and [OH-]
Advocard [28]
Find the hydroxide ion concentration of a solution with a pOH of 5.90. To solve this, use a scientific calculator and enter 5.90 and use the +/- button to make it negative and then press the 10x key.
4 0
3 years ago
• Draw lewis dot structures for an atom of each of following elements:
marin [14]

Answer:

Explanation:

Lewis dot structures represent the symbol of an atom we're looking at and the number of valence electrons it has. This number is represented by the sum of dots around the symbol.

  • Potassium is in group 1A, this means it only has one valence electron, so we draw K with one dot in its Lewis diagram;
  • Argon is in group 8A, this means it has eight valence electrons, so we draw Ar with 8 dots around it in its Lewis diagram;
  • Silicon is in group 4A, this means it has four valence electrons, so we draw Si with 4 dots around it in its Lewis diagram;
  • Arsenic is in group 5A, this means it has five valence electrons, so we draw As with 5 dots around it in its Lewis diagram.

Those are represented in the image attached below:

5 0
2 years ago
What is the energy of the photons of a laser with a frequency of 5.75 x 10^12 Hz? (Hint: Remember to round your answer to the lo
Simora [160]

Answer:

E = 3.81×10 ⁻²¹ J

Explanation:

Given data:

Frequency of photon = 5.75 ×10¹² Hz

Plancks constant = 6.626 ×10⁻³⁴ Js

Energy of photon = ?

Solution:

E = h×f

E = 6.626 ×10⁻³⁴ Js ×  5.75 ×10¹² s⁻¹

E = 38.1×10 ⁻²² J

E = 3.81×10 ⁻²¹ J

8 0
2 years ago
Other questions:
  • The first law of thermodynamics is a restatement of the
    15·1 answer
  • How do waves affect matter they are traveling through?
    6·1 answer
  • Gas particles are pumped into a rigid steel container at a constant temperature. Which statement describes the change in pressur
    15·1 answer
  • Why is carbon dioxide a pure substance and not a mixture?
    8·1 answer
  • Consider the reaction ch3oh(l)→ch4(g)+1/2o2(g). part a calculate δrh∘298.
    6·2 answers
  • In a given chemical reaction the energy of the products is greater than the energy of the reactance which statement is true for
    11·1 answer
  • Which scientist provided a foundation for john daltons work on the atomic structure
    12·1 answer
  • A small sack of sand has a density of 1.5 g/cm3 and a mass of 1500 g. How much space (volume) does the sand occupy?
    14·2 answers
  • Which of the following always contains
    12·2 answers
  • If 33.6 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass? (3 point
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!