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
Daniel [21]
3 years ago
5

When a school bus is stopped on the roadway, you must always stop when

Chemistry
2 answers:
Natasha_Volkova [10]3 years ago
7 0
The red sign pops up on the side of the bus.
Slav-nsk [51]3 years ago
7 0

Answer:

Each driver must stop when a school bus has its Stop sign extended and its red lights are flashing.

Explanation:

When driving behind a school bus, it is best to keep a greater distance than would be taken behind a regular vehicle, as it is highly likely that you are picking up or dropping off students. This gives you more time to stop when the yellow light flashes and the STOP signal comes on.

You might be interested in
A chemist needs 0.550 mol selenium for a reaction. What mass of selenium should a chemist use?
-BARSIC- [3]

Answer:

The chemist would require to use 43.43 grams.

Explanation:

In order to solve this problem we need to know<u> how much do 0.550 moles of selenium weigh</u>. To do that we use selenium's<em> molar mass </em>and multiply it by the given number of moles:

  • 0.550 mol * 78.96 g/mol = 43.43 g

The chemist would require to use 43.43 grams.

4 0
3 years ago
How many sodium atoms will create an ionic bond with sulfur?
Galina-37 [17]
Hi,

Two sodium atoms are needed to create an ionic bond with sulfur. 
5 0
3 years ago
The role of pigments both in capturing light energy and in converting it to the chemical energy of ATP and NADPH.
Aleonysh [2.5K]

Answer:

The explanation of the processes in which pigments are involved (capturing light and forming ATP and NADPH) is given in the following paragraphs)

Explanation:

Pigments are molecules with the capacity of absorbing light. Each pigment captures light of a specific wavelength. Plants contain different types of pigments like chlorophylls, xanthophylls, carotenoids, and others.

Chloroplasts (organelles present in cells of plants), contain pigmants that absorb solar radiation, triggering a series of reactions collectively known as photosynthesis. When light incides on a pigment, an electron of this molecules is excitated, goes into another level of energy and starts to pass through a series of carrier molecules to finally to a final aceptor of electrons. During this transport, part of the energy contained in the electron is used to generates a hydrogen gradient that provides energy. As a result of these processes, a molecule that is called  NADP+ accepts two electrons and an hydrogen to form NADPH, while another molecule known as ADP captures  an atom of phosphorous and gives rise to ATP (through the action of a protein called ATP sintase)..

7 0
3 years ago
How many grams of hydrogen in 1.85moles
olga2289 [7]
2H2(g) + O2(g) → 2H2O(1) 0 260 g 0.2068 0.180 g 2008 When 45.0 g of CH4 reacts with excess O2, the actual yield of CO2 is 118 g. What is the percent yield? CHA(g) + 2O2(g) - CO2(g) + 2H2O(g) 73.6% 67.9% 95.2% 86.4% For the reaction: 2503(g) + 790 kcal - 25(s) + 3O2(g), how many kcal are needed to form 1.5 moles O2(g)? 790 kcal 395 kcal 2370 kcal 411 kcal When 3 moles of Ny are mixed with 5 moles of H2 the limiting reactant is N2(g) + 3H2(g) - 2NH3(g) H2 NH3 ОООО H20 O N₂
5 0
3 years ago
Write a question you have about Titan or about methane that could help you determine what happened to the lake
Sergeeva-Olga [200]

Answer: what would swimming in mathane lake on titan feel like.

Explanation:

8 0
3 years ago
Other questions:
  • An 85 kg construction worker has 37 485 J of gravitational potential energy. To the nearest whole number, the worker is___
    9·1 answer
  • there are 2 protons that are 5 cm apart. each proton has the same Elementary charge. what is the charge of each Proton​
    6·1 answer
  • Match each element to the number of electrons in its valence shell
    10·1 answer
  • Which of the following is NOT an indication of a chemical reaction?
    12·2 answers
  • Which of the following has higher ionization energy - Be or Ca. Explain your choice in terms of attractive force between protons
    11·1 answer
  • What is the grams of molar mass of magnesium
    12·2 answers
  • A 251 ml sample of 0.45M HCl is added to 455 mL of distilled water. What is the molarity of the
    13·1 answer
  • 3. Ethanol has a density of 0.800 g/mL. <br> a. What is the mass of 225 mL of ethanol?
    7·1 answer
  • You are going to mix a 1:10 bleach solution with water to make 500 mL of a 1:35 bleach solution. How much 1:10 bleach solution s
    7·1 answer
  • quizlet nitrogen can have variable number of nuetrons(isotopes) it can also have varible number of electrons ehile becomon an io
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!