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4 years ago

Which equation would represent the neutralization of sulfuric acid that was spilled on a base

1 answer:

8 0

Decide whether or not it represents an ionic compound. ... have the general formula HaXbOc, and organic acids, such as acetic acid, HC2H3O2. An acid, such ... acid, H2SO4, that can donate two protons are called diprotic, and some acids, such as phosphoric ..... can be poured on a strong base spill to neutralize the base.

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I have a balloon that can hold 125,000 mL of air. If I blow up this balloon with 3 moles of oxygen gas at a

matrenka [14]

Answer:

234.35 °C

Explanation:

Given data:

Volume of balloon = 125000 mL

Moles of oxygen = 3 mol

Pressure = 1 atm

Temperature = ?

Solution:

Formula:

PV = nRT

P = Pressure

V = volume

n = number of moles

R = ideal gas constant

T = temperature

Volume of balloon = 125000 mL × 1 L /1000 mL

Volume of balloon = 125 L

Now we will put the values:

Ideal gas constant = R = 0.0821 atm.L/mol.K

PV = nRT

T = PV/nR

T = 1 atm × 125 L/ 0.0821 atm.L/mol.K × 3 mol

T= 125 /0.2463 /K

T = 507.5 K

K to °C

507.5 K - 273.15 = 234.35 °C

4 0

3 years ago

What is the correct definition of density

BartSMP [9]

Answer: Density is defined as the ratio between mass and volume or mass per unit volume.

Explanation:

3 0

4 years ago

Read 2 more answers

Check the boxes next to events or trends that first occurred in science from about 1700. Darwin published his theory of natural

marishachu [46]

Check the boxes next to events or trends that first occurred in science from about 1700.

X Darwin published his theory of natural selection.

-Darwin published his work in 1859.

X Archimedes described the principle of the lever.

-Archimedes discovered this during the third century BC (300-201 BC)

/ Scientific societies and academies were formed.

-These were formed around 1789

X The double-helix structure of DNA was determined.

-IT was discovered in 1953 by James Watson and Francis Crick.

X Copernicus proposed a Sun-centered universe.

-It was proposed in the 16th century.

X Continental drift was explained by the theory of plate tectonics.

-It was proposed at around 1910 till 1950 but was accepted at 1960.

X The Earth was proven to be spherical.

-It was argued at around 384-322 BC.

4 0

3 years ago

Read 2 more answers

A tiger cub has a pattern of stripes on its fur that is similar to that of its parents. Where are the instructions stored that p

madreJ [45]

Answer:

On genes within chromosomes

Explanation:

-The fur pattern is a genetic trait whose instruction is carried in the DNA's base sequence.

-These instructions are organized into genes and each gene is only responsble for the making of a functional product.

-Hence, the instructions are stored on genes within chromosomes.

4 0

3 years ago

As you go down a family or group on the periodic table *

pickupchik [31]

Answer:

The elements become less reactive.

Explanation:

As we move from left to right across the periodic table the number of valance electrons in an atom increase. The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction and reactivity increases because of greater electron affinity.

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased. The electron affinity decreases because of shielding effect and thus atom become less reactive.

7 0

3 years ago