All categories

3 years ago

What type of glassware is useful for transferring liquids from a big container to a small container?

Chemistry

2 answers:

liubo4ka [24]3 years ago

6 0

Answer:

Funnel

Explanation:

For transferring liquid from a big container to small container, we need a glass ware which has a large or wide mouth or receiving end so that we can pour the liquid into it easily. There should be a small transferring end or we can say it should have tapered end. For example we may use funnel for the same.

tatuchka [14]3 years ago

3 0

A beaker? I believe

You might be interested in

An atom which has 9 protons, 8 neutrons, and 9 electrons will have an atomic mass of how many amu?

rjkz [21]

Answer:

Explanation:

Protons and Neutrons both have a mass of about 1 amu so you add them but electrons have a mass of 0 amu so they are left out.

8 0

2 years ago

2. Stronger intermolecular forces =______ boiling point

Leto [7]

Stronger intermolecular forces = higher boiling point

The stronger the intermolecular forces, the harder the molecules are to pull/break apart, which means a higher boiling point.

5 0

3 years ago

1. Analyze Element A and Element B by describing how to test 3 physical or chemical properties of the elements.

Pie

Answer:

r u in class 9

Explanation:

6 0

3 years ago

Calculate the heat required to melt 25.7 g of solid methanol at its melting point

umka2103 [35]

The heat required to melt the compound is<u> 2.56kJ.</u>

Why?

To calculate the heat required to melt 25.7 g of solid methanol, we need to calculate its molar mass, know its chemical formula, its molar heat of fusion, and calculate how many moles represent 25.7g of the same compound.

Then, we need to use the following formula to calculate the heat:

$Q=N*u$

Where,

N is the moles of the compound

u, is the molar heat of fusion of the compound (J/mol)

We know that the molar mass of methanol is :

$32.042\frac{g}{mol}$

So, we can calculate the number of moles that represents 25.7g of the same compound:

$N=\frac{mass(g)}{molarmass(\frac{g}{mol}} \\\\N=\frac{25.7g}{32.042\frac{g}{mol}}=0.8mol(methanol)$

Also, the molar heat of fusion of methanol is:

$u_{methanol}=3200\frac{J}{mol}=3.2\frac{kJ}{mol}$

Now, substituting into the first equation and calculating, we have:

$Q=N*u$

$Q=0.8mol*3.2\frac{kJ}{mol}=2.56kJ$

Hence, we have that the heat required to melt the compound is 2.56kJ.

Have a nice day!

4 0

3 years ago

Read 2 more answers

What’s NaCN in chemistry

Naddik [55]

Answer:

NaCN is sodium cyanide

Sodium cyanide with formula NaCN is an inorganic compound. It is a solid, white and water-soluble. Cyanide has a high metal attraction which results in this salt being highly toxic. Its major usage also takes advantage of its high reactivity against metals in mining.

4 0

2 years ago