CHEMISTRY HIGH SCHOOL

Cell references in a formula are called _____.

Answers

Answer 1
Answer: Cell references in a formula are called electrode potentials. Electrode potentials are standard voltages for half-cell potentials. All half-cell potentials use the Standard Hydrogen Electrode (SHE) as a universal reference for redox reactions. For hydrogen, the standard electrode potential is zero for all temperatures.

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Beth has a one-day-old baby daughter. When Beth puts her finger in the baby’s hand, the baby grasps her finger. Which statement best describes why the baby grasps Beth’s finger?A.) The baby’s reflex to grab is an innate behavior.B.) The baby’s visual memory recognizes Beth’s finger.C.) The baby is a day old and has learned to reach for Beth.D.) The baby’s homeostatic response is to touch objects that are warm
How does vegetation slow and prevent sediment loss?
In an experiment, 2.54 grams of copper completely reacts with sulfur, producing 3.18 grams of copper(I) sulfide.Determine the total mass of sulfur consumed.Write the chemical formula of the compound produced.
Which reaction occurs when hydrogen ions react with hydroxide ions to form water?A. substitutionB. saponificationC. ionizationD. neutralization
Which reaction does not occur?2HF(aq) + Cl2(g) → F2(g) + 2HCl(aq) 2Na(s) + ZnF2(aq) + 2NaF(aq) + Zn(s) O Fe(s) + CuCl2(aq) → FeCl2(aq) + Cu(s) 0 2HCl(aq) + Mg(s) → MgCl2(aq) + H2(g)

Which of the following elements is an example of a metalloid? Silicon

Sodium

Silver

Platinum

Answers

Sodium is an earth-metal (group one), sliver and platinum are d-block metals.... Thus silicon is the metalloid and that is true because it looks like a metal being shiny blue-gray but it exhibit non-metal characteristics, except the fact that it can conduct electricity in a heated state.
The group of metalliods in the periodic table include: antimony, arsenic, boron, silicon, germanium, polonium all display semi-metal properties. So the answer would be Silicon.

]Astrology is a pseudoscience because

Answers

The word Pseudoscience really means that it's just a collection of beliefs or practices that are mistake or regarded as being scientific fact.  Astrology is a belief system, while on the other hand, its brother, Astronomy is a science. These two go hand in hand. It's a quite common mistake to mix up Astrology (star signs) and Astronomy (study of space) .  In order for a hypothesis to be scientific, it has to satisfy a certain criteria: it has to be a testable thing. So therefore Astrology is a business, so it can be skeptical. There is hard to get any proof that Astrology is really a pseudoscience. Sorry if I was not much help.... Hope it helped anyway.

Answer:

no sorry

Explanation: i don't know this cause i need hep too

How does the suns energy contribute to the movement of water in the water cycle?

Answers

Answer:

The sun is what makes the water cycle work. ... Heat causes liquid and frozen water to evaporate into water vapor gas, which rises high in the sky to form clouds... clouds that move over the globe and drop rain and snow. This process is a large part of the water cycle.

Explanation:

Answer it doesn't contribute

Explanation: it doesn't contribute

A reaction that releases energy is called endothermic .


True or False

Answers

Answer: False

Explanation: Endothermic means it absorbs heat energy.

What coefficients must be added to balance the following reaction __Sn+___H3PO4___=H2+___Sn3(PO4)4

Answers

answer 3Sn+ 4H3pO4= 6H2+Sn(PO)4

1 Sn                                  3 Sn
3 H                                    2 H
1 P                                    4 P
4 O                                    16 O
 then you have to make the numbers the same for each side

so you get by putting the 3 infront of Sn 4 infront of the H3PO4  and 6 infront of the H2
3 Sn                                   3 Sn
12 H                                    12 H
4 P                                      4 P
16 O                                     16 O

A neutral atom must have the same number of neutrons and electrons true or false

Answers

False .... A neutral atom needs the same number of protons and electrons
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The distance between stars is typically measured in
The phase of matter where particles at extremely high temperatures become ionized.