How much heat is required for 10 g of steam specific heat
capacity = 2.01 J/gºC) at 120°C to be heated to 160°C?

Answers

Answer 1

Answer:

145°C is allowed

Explanation:

step step by step explanation


Related Questions

nguyên tử khối của Al

Answers

Answer:

26,981539 u là khối lượng nguyên tử của AI

Explanation:

- Explain the relationship between electronic structure and the chemical
properties of an element.

Answers

Answer: There is a relationship between the electron configuration of an element and its resulting chemical/physical properties. Atoms of an element like to have a full octet of electrons in their valence shells. ... Other elements need to lose or gain electrons to obtain an octet.

:

Non Metal _________ electrons and form _________________ ion , called __________

Answers

Answer:

Non Metal atoms gain electrons and form negative ion, called anions


A student electrolysed some water. She collected 20 cm of oxygen, What volume of hydrogen could she also
have collected at the same time?

Answers

According to the chemical formula of water the volume of hydrogen collected on electrolysis of water will be double of water thus volume of hydrogen is 40 cm.

What is chemical formula?

Chemical  formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols  of elements. It also makes use of brackets and subscripts.

Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form  is called empirical formula.

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What can you infer from the fact that nitrogen gas is useless to animals?

Answers

Answer:

Denitrification changes nitrogen into a gaseous form.

Explanation:

which electron carrier is not mobile or diffusible in the mitochondrial electron transport chain?

Answers

Answer:

FAD is the correct answer

Explanation:

pls choose it as the brainiest answer

 

What volume of 0.205 MK2S solution is required to completely react with 185 mL of 0.120 MCo(NO3)2?

Answers

Answer:

the balanced equation for the above reaction is as follows;

3NiCl₂ + 2K₃PO₄ ---> Ni₃(PO₄)₂ + 6KCl

stoichiometry of NiCl₂ to K₃PO₄ is 3:2

the number of NiCl₂ moles reacted - 0.0102 mol/L x 0.134 L = 0.00137 mol

according to molar ratio  

if 3 mol of NiCl₂ reacts with 2 mol of K₃PO₄

then 0.00137 mol of NiCl₂ reacts with - 2/3 x 0.00137 = 0.000911 mol of K₃PO₄

molarity of given K₃PO₄ solution - 0.205 M

there are 0.205 mol in 1000 mL  

therefore volume of 0.000911 mol - 0.000911 mol / 0.205 mol/L = 4.44 mL  

volume of K₃PO₄ needed is 4.44 mL

please help quickly i will give 15 points

Answers

Th kidneys control the amount of water,ions, and other substances in the blood by excreting more or less of them on urine.
Hopes this helps

According to the following map, what is a type of mineral found in Mexico?
a Bauxite
b Copper
c Gold
d Zinc​

Answers

Answer:

B. Copper

Explanation:

According to the map, the minerals found there are:

IronSilverCopper

The only mineral given as an option is copper. Therefore, the answer is B.

CORRECT ANSWER WILL BE MARKED BRAINIEST

predict the chemical formula that results when the following pairs of ions combine to form an ionic bond.

1. K+1 and S-2

2. Pb+4 and N-3

Answers

1. K2S (Potassium Sulfide)
2. Pb3N4 (lead IV nitride)

what is the net cell reaction for the chromium-silver voltaic cell?

Answers

Cr(s) → Cr3+(aq) + 3e-Ag+(aq) + e- → Ag(s)

To solve such this we must know the concept of chemical reaction. Therefore, the balanced  net cell reaction for the chromium-silver voltaic cell is Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. Chromium-silver voltaic is a cell that is used in electrochemistry.

The balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

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b) How much Phosphorus Pentachloride can be made if you begin with 17.8 g of chlorine gas?

Answers

The answers is that 16.8 g is gas

What is the
name of the
compound
Na2Co3?

Answers

Answer:SODIUM CARBONATE

Explanation:

How do scientists analyze the TRAPPIST system?

Answers

Answer:

A team led by Michaël Gillon at the University of Liège in Belgium detected the planets using transit photometry with the Transiting Planets and Planetesimals Small Telescope (TRAPPIST) at the La Silla Observatory in Chile and the Observatoire de l'Oukaïmeden in Morocco.

Explanation:

This is just how the TRAPPIST system was discovered.

Here's the link about the information you need:

https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around

How does the space between particles change as energy is added

Answers

When energy is added to them the space between the particles slowly increases and when energy is lost it slowly decreases.

when does cells breakdown a sugar molecule completely to produce chemical energy ATP the cells need to the following materials​

Answers

Answer:

sugar and carbon dioxide

Explanation:

Chemical energy is stored in the bonds of sugars. When the bonds of a sugar molecule are broken, a burst of energy is released that the cell can use. Cells can release energy in two basic processes: cellular respiration and fermentation. Cellular respiration requires oxygen, but fermenta- tion does not.

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which molecule or ion has a trigonal planar geometry around its central atom?

Answers

Answer:

Structure of boron trifluoride, an example of a molecule with trigonal planar geometry.

Explanation:

How does collision theory relate temperature to the rate of a reaction?​

Answers

Answer:

Explanation:

The collision theory explains why reactions occur between atoms, ions, and molecules. With the increase in temperature, there is an increase in the number of collisions. Increasing the concentration of a reactant increases the frequency of collisions between reactants and will, therefore, increase the reaction rate.

as heat is added to melt ice. Does the temperature change?

Answers

Answer:

Depending on the deformity it will depend on the amount of the ice that is melted,it the majority is melted that is relevant to the heated liquid melting the ice,so yes only the water formalities of the melted ice.

select the reagents you would use to accomplish the syntheses shown below in no more than the number of steps specified.

Answers

Answer:

Carbon Dioxide + Water

Explanation:

Carbon Dioxide + Water > Glucose + oxygen

I need uses of acid-base indicators

Answers

Answer:

to indicate the presence of acid or base in a body

a substance that can be broken down into simpler substances

Answers

Answer:

compound

Explanation:

hope this hepls

how many valence electrons are there in an argon atom?

Answers

Answer:

There are 8 valence electrons in an argon atom.

What is the best way to torture an ant

Answers

strong salt solution

normal salt wouldnt work becaue unlinke slugs they have a waterproof skin

How many molecules are in 21.5G of water

Answers

Answer:

There are 6.022×1023 molecules in a mole. There are 18.01528 grams of water per mole of water. in 1g water

Explanation:

please Mark my answer in brainlist

The arrows shown in the asthenosphere represent the inferred
slow circulation of the plastic mantle by a process called
O insolation
convection
O conduction
radiation
ion
Question 18
2 pts
The diagram below shows a laboratory box used to
demonstrate the process of convection in the atmosphern

Answers

Red arrows represent the movement of the mantle due to convection. Black arrows represent the movement of the plates due to gravity. Scientists think that this transfer of thermal energy from core to mantle causes convection in the mantle.

need help!!
Is the atomic number of an atom equal to the electrons in an atom​

Answers

Answer:

YES.

Explanation:

The atomic number is the number of protons. Because the number of protons is EQUAL to the number of electrons, they're basically equal.

most elements are (1) metals (2)nonmetals (3)gases (4)made in labs

Answers

Most are metals!!!
None are made in labs everything on earth is made of the elements so they are natural!

What is the energy of a photon emitted when an electron in a hydrogen atom relaxes from an orbital in ni

Answers

Answer:  Ernest Z. The energy is 1.549×10-19J

Explanation:

the primary difference between enhancers and promoter-proximal elements is that enhancers _____.

Answers

Answer:

Enchancers are transcription factors

I hope that helps you

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