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
konstantin123 [22]
3 years ago
10

1) A chemist was deciding what chemical to use in a handwarmer. She studies 2 compounds. One is a nonpolar covalent compound tha

t is safe and nontoxic. The other is an ionic compound. It is poisonous if ingested. What tests could she do to tell them apart? Give two possible observations or tests she can run to verify the substance. Which substance would you use to make the handwarmer and why?
Chemistry
1 answer:
Lynna [10]3 years ago
3 0

Answer:     Water dissolves nonpolar covalent  substances.

You might be interested in
Explain whether nuclear or mitochondrial DNA is better for identifying a specific person
hodyreva [135]

Answer:-

Nuclear DNA is inherited from all ancestors. But mitochondrial DNA is inherited from a single lineage. The DNA inside of mitochondria (called mtDNA) unlike DNA inside the nucleus, comes from only mothers.

It is not a mixture of our parent’s DNA, and each person’s mtDNA is nearly identical to his or her mother’s mtDNA.

Thus only nDNA being more unique is more useful for identifying in forensics. In cases where nDNA is not sufficient, mtDNA is used.

7 0
3 years ago
1
Inessa [10]

Answer:

methane + oxygen → carbon dioxide + water

Explanation:

methane + oxygen → carbon dioxide + water

5 0
3 years ago
How many molecules of ammonia are contained in 10.4 moles of ammonia, NH3?
seraphim [82]
Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. We do as follows:

10 mol NH3 ( 6.022 x 10^23 molecules / 1 mol ) = 6.022x10^24 molecules NH3
4 0
3 years ago
HELLLLPPPPPPP
Misha Larkins [42]
C. polymerization....
4 0
3 years ago
Element X
dedylja [7]
Element x is Silicon
7 0
3 years ago
Other questions:
  • Phentyfloroform contains 57.54% C, 3.45% H, and 39.01% F. What is its empirical formula?​
    6·1 answer
  • HELP 30 Points !
    5·2 answers
  • A block has sides that are 2cm long, 3 cm wide, and 2cm high. What is the volume ?
    5·1 answer
  • Answer the following question: Ethanol, C2H5OH, is considered clean fuel because it burns in oxygen to produce carbon dioxide an
    10·1 answer
  • Determine the balanced chemical equation for this reaction. C8H18(g)+O2(g)→CO2(g)+H2O(g)
    6·1 answer
  • PLEASE HELP WILL GIVE BRAINLIEST
    6·2 answers
  • What scientific laws did Newton present in Principia?
    5·2 answers
  • Consider the picture of a gas pump. Which type of gasoline has the highest percentage of octane (the main component of gasoline)
    7·2 answers
  • If each water molecule contains 2 hydrogen atoms, how many total oxygen atoms in 20 water molecules?
    14·1 answer
  • Which end of an earthworm contains an organ that can detect smells? Use observations from the lab to support your answer.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!