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
Svetradugi [14.3K]
3 years ago
9

URGENT PLEASE HELP!!!

Chemistry
2 answers:
mote1985 [20]3 years ago
5 0
Even though two grams seemed to disappear or vanish, the law of conversation of mass still holding true. Mercuric oxide, when heated, forms a gas of mercury and oxygen. During the investigation, some gas could have escaped or evaporated.
Annette [7]3 years ago
5 0

Answer:Yes, the law of conservation of mass is true because even though some/2grames of mass was not there to end the 2 grams might have evaporated or escaped.

Explanation:

I got this right on flvs and more explanation is up there kinda. hope this helps

You might be interested in
4. What is percent error calculation used to determine?
madam [21]

Answer:

Explanation:

You could use it for many things but one thing people use it for is the percent of failure when bonding bonds such as ionic bonds in chemistry.

3 0
3 years ago
What type of heat is transferred from hot water to metal and plastic forks?
patriot [66]

Answer:

Kinetic energy is an energy that can be applied to another object, often considered the energy of motion.

Explanation:

Metals are generally good conductors of heat.

7 0
3 years ago
Read 2 more answers
An oxide of phosphorus contains 56.4% phosphorus and 43.6% oxygen. It's relative molecular mass is 220. Find both the empirical
sladkih [1.3K]
Moles of P = 56,4g/30,974g/mole = 1,82 moles P
moles of O = 43,6/15,999 = 2,73 moles of O

converting to the simplest ratio:
For P : 1,82/1,82 = 1
For O : 2,73/1,82 = 1,5

1 P and 2 oxygens.
PO2 -> the empirical formula

hope this help
7 0
3 years ago
Read 2 more answers
One of the many remarkable enzymes in the human body is carbonic anhydrase, which catalyzes the interconversion of carbon dioxid
natka813 [3]

Answer:

Enzyme is carbonic anhydrase

Substrate is CO_2

Turnover number is 10^{7}

Explanation:

An enzyme is used by a living organism as a catalyst to perform a specific biochemical reaction.

A substrate is a molecule upon which an enzyme acts.

Turnover number refers to the number of substrate molecules transformed by a single enzyme molecule per minute. Here, the enzyme is the rate-limiting factor.

Here,

Enzyme is carbonic anhydrase

Substrate is CO_2

Turnover number is 10^{7}

8 0
3 years ago
What effect does cutting down forests have on the carbon dioxide levels in the atmosphere?
Mnenie [13.5K]
Https://worldcuprussiai.de/  http://www.frankieballard.com/forum/soccer-brazil-vs-mexico-live-stream-online-free-2nd-round-117876
5 0
3 years ago
Other questions:
  • Which elements are found in the compound NaOH? A. sodium, oxygen, and hydrogen B. nitrogen, oxygen, and hydrogen C. nitrogen, ar
    10·1 answer
  • Which two particles are found in the nucleus of an atom?
    5·2 answers
  • What happens to the atoms in a scoop of ice cream as it melts?
    14·2 answers
  • What is an isotope? How does one isotope differ from another isotope
    9·2 answers
  • Mg metal is placed in HCl and a gas is liberated. This is an example of a
    12·1 answer
  • Which best describes a swimming pool?
    14·2 answers
  • What mass of carbon dioxide occupies a volume of 81.3 L at 204 kPa and temperature of 95.0 C
    13·1 answer
  • What is one way for a possible solution to reversing or counteracting the effects of climate change? What can we do at our homes
    12·1 answer
  • The diagram below shows the different phase transitions that occur in matter. Three bars are shown labeled Solid, Liquid, and Ga
    15·1 answer
  • Write a balanced molecular equation (photo)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!