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
Sholpan [36]
2 years ago
11

HELPPPPPPPP!!!!!!!!!!!!!!

Chemistry
1 answer:
Allushta [10]2 years ago
3 0

Answer:

B

Explanation:

most comets have special stones in them which is a type of metal

You might be interested in
Explain what a scientist is
Zepler [3.9K]
What qualifies someone to be one is someone who systematically gathers and uses research and evidence making a hypothesis and testing it to gain and share understanding and knowledge.

but the role of a scientist is..: scientists use their resources to bring out change, wether it is change in medicine, improvements in the environment, or creating efficient fuels


I rlly hope this helps tysm

3 0
3 years ago
Read 2 more answers
Can anyone do balance equation?
miss Akunina [59]
47)1-6 and 5&6-8 hope this helps!
3 0
3 years ago
Name the following alkane:
vladimir1956 [14]

The names of the alkanes are 2,2- dimethylbutane, 2,4- dimethylhexane, 2,2,3,3- tetramethylbutane and 4- ethyl, 3,6- dimethyl heptane.

Alkanes are saturated hydrocarbon in the organic chemistry. These are organic compounds that consists of single bonded carbon and hydrogen atoms. The common formula for writing an alkane is given by CₙH₂ₙ₊₂.

Alkanes are further divided into three more types which are:

1. Chain alkanes

2. Cycloalkanes

3. Branched alkanes

Hydrogenation method is used for preparation of alkanes from alkene and alkyne.

The names of the given compounds are:

Part A:

2,2- dimethyl butane

Part B:

2,4- dimethyl hexane

Part C:

2,2,3,3- tetramethyl butane

Part D:

4- ethyl, 3,6- dimethyl heptane

Learn more about alkanes from the link given below.

brainly.com/question/16837399

#SPJ1

4 0
1 year ago
Which of the following is a consequence of humans using fossil fuels
marusya05 [52]

Answer:

Explanation:

Following are a few consequences of fossil fuels

1. It causes air pollution.

2. When they are burned, they produce toxic substances which leads to global warming.

3. Waste products are hazardous to public health and environment.

4. They are non - renewable and unsustainable.

5. Drilling fossil fuels is a dangerous process

Hope this helps

plz mark as brainliest!!!!

8 0
3 years ago
Help please chapter 7.1
olga2289 [7]
1. 100N to the right
2. 10N to the left
3. 0N they are balanced
4. 0N they are balanced
8 0
3 years ago
Other questions:
  • These two beakers represent solutions of HCl and NaOH. Describe a third beaker showing the ions that remain after the reaction h
    15·1 answer
  • Is sand macromolecule or network solid?<br><br> Thank you
    13·1 answer
  • Label each half cell in this diagram of a voltaic cell to identify which electrode it contains and the process occurring at the
    10·2 answers
  • 500 gram sample of an unknown metal releases 640 Joules as it cools from 55.0 oC to 250 oC. What is the specific heat of the sam
    6·1 answer
  • 2. As elements go down a group, they have a whole
    11·1 answer
  • Please help will mark Brainliest!!!
    13·1 answer
  • Wave<br> is the distance a wave travels in a given<br> amount of time.
    5·1 answer
  • How many electrons are gained in the half-reaction O2 + electrons — 202?
    14·2 answers
  • Which scientist was the first to conclude through experimentation that atoms contain most of their mass in a small, dense nucleu
    14·1 answer
  • 25.9cm^3 divided by 6.32 g/cm^3
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!