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
topjm [15]
2 years ago
9

A teacher had her students write down hypotheses about an experiment. Which is a valid hypothesis? (1 po If Earthquakes occur, t

hen tornados could occur at the same time. If people like the smell of burning wood, then they would not like the smell of gasoline. O All living organisms are made from at least one cell: O Energy gets transferred among all the organisms of a food chain.​
Chemistry
1 answer:
Alja [10]2 years ago
3 0

if people like the smell of burning wood, then they would not like the smell of gasoline

Explanation:

it's a supposition without any real truth to back it up

You might be interested in
If an atom has 3 protons, what is its atomic number?
Andru [333]

Answer:

Atomic Number = 3.

Explanation:

The number of protons determines the atomic number. Basically the number of protons is the exact same as the atomic number.

Protons 3 = Atomic number 3

5 0
3 years ago
An element has an atomic number of 18 and an atomic mass of 40. The number of neutrons in the nucleus of an atom of this element
Vikentia [17]

Answer: 22 neutrons

Explanation: 40 is the mass number = atomic mass = total number of protons and neutrons in atomic nucleus

18 is the number of protons in the nucleus of this atom

Then 40 - 18 = 22 neutrons

and this is Argon

7 0
3 years ago
Given that 0.40 mols of NaCl was dissolved in water to create a
Marina86 [1]
2.86 is the rong answer
4 0
2 years ago
These statements describe three different reactions.
gtnhenbr [62]

Answer: Number 2.

Explanation:

It releases massive amounts of radiation

5 0
3 years ago
PLEASE HELP ASAP!!!!!!!!
Step2247 [10]

Answer:

1).There are 6.87 x 1023 atoms in 1.14 mol SO3, or sulfur trioxide (mol is the abbreviation for mole)

2).6.022*1023 R.P . is equal to 144

3)7.02 g Si

4)104*10 raised to 1

5)idk

6)142.04 g/mol

7)atom

8) idk

Explanation:

3 0
3 years ago
Other questions:
  • You are asked to bring the pH of 0.500L of 0.550 M NH4Cl to 7.00. Which of the following solutions would you use: 12.0 M HCl or
    13·1 answer
  • A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of 295 K. What will the volume be at a
    12·1 answer
  • Plzz some one tell me tha objection 5 6 points to kekule formula
    7·1 answer
  • In which type of chemical reaction are electrons transferred?
    9·2 answers
  • Your friend, a business major, overhears you talking about chemical energy and food and decides to develop a new super food for
    6·1 answer
  • 4.3 moles of a gas are at a temperature of 28 degrees * C with a pressure of 1.631 atm. What volume does the gas occupy?
    8·1 answer
  • What is a double displacement reaction?
    5·1 answer
  • What caused Hawaii to form?<br> a tsunami<br> a hot spot<br> an earthquake<br> the San Andreas fault
    12·2 answers
  • The diagrams show the arrangements of carbon atoms in diamond and in graphite. Compare a use of diamond with a use of graphite,
    7·1 answer
  • What are the types of ions found in an ionic bond? (Check all that apply) * 2 points
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!