Hi :) how to test if a solution is neutral?

Answers

Answer 1

Answer:

Explanation:

solution is neutral because it added water and water is neutral solution

Related Questions

The reaction 4Fe + 3O2 >> 2Fe2O3 is an example of what?
1) What is the mass of 5.24 moles of Fe504-7H2O?
Differences between iron and steel
The addition of heat energy to a system always causes the temperature of that system to increase. True False
How is the way water cools different from other liquids ?

Can formaldehyde molecules dissolve well in water?

Answers

Answer:

Formaldehyde is highly soluble in water.

Explanation:

Formaldehyde is the simplest of the aldehydes (R−CHO) it is an organic compound which occurs naturally with the formula H−CHO. . The IUPAC name of formaldehyde is methanal.

Formaldehyde at room temperature is a colorless gas and the liquid is invisible or like white-water. Formaldehyde has an irritating and very pungent like odour. Formaldehyde is very soluble in water.

Now according to Henry's constant law (3 × 10-5 kPa·m3/mol) Formaldehyde will be very unlikely to volatilize from water.and hence, Formaldehyde is considered to be highly soluble in water.

4Fe + 3O2 → 2Fe2O3Iron combines with oxygen to form rust. Given the chemical reaction, how many grams of 4Fe + 3O2 would produce 10 g of rust?
A) 7 g
B) 10 g
C) 30 g
D) 70 g

Answers

Answer:

b) 10 g

Explanation:

Hi, the answer in simply: during a chemical reaction (that doesn't involve nuclear processes) the total mass involved is constant.

The total mass of the reactants equals the total mass of the products, althought the number of molecules may vary.

n(2Fe2O3)=10g/319.374amu=0.03mol

n(4Fe+3O2)=0.03 mol

m(4Fe+2O2)=Mn=319.374×0.03=9.58=10

An acid, like HCI, would...

Answers

Answer: melt

Explanation:

Probably ost likely melt.

Compozitia procentuala a NaCl

Answers

formează o rețea ionică de atomi de sodiu și clor

4. What type of evidence do you think would be most difficult to collect

Answers

Answer:

The type of evidence that is more difficult to collect is evidence known as trace, for example, fibers, hair, or signs of dirt.

Explanation:

For the collection of this type of evidence, specialized equipment such as special vacuum cleaners, tweezers, etc. are used, all with the purpose of carrying out the collection of trace evidence. This type of evidence is characterized by being very difficult to find.

I think it is trace evidence since it is really small and hard to find.

A tank has 30 gallons of gasoline how many liters of gasoline are there in the tank