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vodomira [7]
3 years ago
13

What are properties that metals all have? I need 3

Chemistry
2 answers:
krok68 [10]3 years ago
8 0

Answer:

solid at room temperature (with the exception of mercury)

usually shiny.

high melting point.

good conductor of heat.

good conductor of electricity.

low ionization energies.

low electronegativities.

malleable – able to be pounded into sheets.

Explanation:

krek1111 [17]3 years ago
5 0

Answer: Metals are good conductors of heat and electricity, Malleability and all are solid in room temperature except for Mercury (Hg)

Explanation:

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What is the advantage of fluted filter paper shown compared with cone-shaped filter paper?
scZoUnD [109]

Answer: fluted filter paper has more surface area suitable for collecting solid

Explanation:

7 0
3 years ago
61 Cu<br> 29<br><br><br> Write the complete nuclear equations for alpha absorption
Natalka [10]

Answer:

⁶¹₂₉Cu + ⁴₂He --->⁶⁵₃₁Ga

Explanation:

Nuclear reactions are reactions which occur with changes in the nucleus of an atom. Nuclear reactions usually occur with the release of large amounts of energy and radiation. Radiactive elements are elements that are involved in nuclearbreactions due to the unstable nature of their nucleus. They disintegrate spontaneously with the emission of radiations. The major types of radiations released during nuclear reactions are;

1, Alpha particles - these are positively charged radiations with strong ionizing power. Each alpha particle is a helium nucleus

2. Beta particles - these are very fast moving stream of electrons. They are negatively charged particles .

3. Gamma radiation - is a form of electromagnetic radiation.

In the alpha absorption of Cu-61, the proton number of the atom increases by 2 while the mass number increases by 4 and the Cu-61 atom is changed to Ga-65 atom. The nuclear equation is given as follows:

⁶¹₂₉Cu + ⁴₂He --->⁶⁵₃₁Ga

8 0
3 years ago
When an acid and a base are mixed together, a neutralization reaction occurs. the products of an acid-base reaction do not have
Cloud [144]

This is generally true, though if either the acid or base (or both) is a weak base, the reaction may not go to completion and the properties of the mixture may be more complicated.

3 0
3 years ago
How much heat is absorbed during production of 112 g of NO by the combination of nitrogen and oxygen?
djverab [1.8K]

From the given chemical equation we see that 43 kcal of energy is needed for every 2 moles of NO. First let us calculate the moles of NO with a molar mass of 30 g/mol.

moles NO = 112 g / (30 g/mol) = 3.73 mol

 

So the total heat absorbed is:

heat = (43 kcal / 2 mol) * 3.73 mol

<span>heat = 80.195 kcal</span>

7 0
3 years ago
Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall
iren [92.7K]

Answer:

Polymerization.

Explanation:

Polymerization can be defined as a type of chemical reaction in which molecules that are relatively small in size chemically combine to form a huge chain of molecules.

Simply stated, polymerization refers to a chemical reaction where two or more smaller molecules react to produce larger molecules of the same network or repetitive structural units.

In polymerization, the relatively small molecules are generally referred to as monomers while the larger molecules they produce are known as polymers.

Polymerization is given by the chemical formula;

nA -----> A(n).

In this scenario, Luis uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length.

Hence, the type of chemical reaction this best model is polymerization because it involved repeating the same design (monomers) to form a long grapevine with a bunch of grapes (polymers).

5 0
3 years ago
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