Will a precipitate form when NaCl(aq) and AgNO3 (aq) are mixed together?

Answers

Answer 1

Answer: yes,because they are both soluble salts so they form an insoluble salt which will be the precipitate formed

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How are genes sex chromosomes inherited

Answers

Take this with a grain of salt. If I remember correctly, the sex chromosomes of one parent carry all genetic code that equates to one half of a child's genetic makeup. That's why a male and female sex cells combine. The combination of the sperm and egg give the future child both genetic makeup of both parents.

Now, diseases and such can be passed along to the child if there's a defect on the sex chromosomes, the only chromosomes that are passed to the child. A cut on the dad of the child wouldn't cause the child to be born with a cut since the sex chromosomes weren't affected.

Color blindness, on the other hand, is sex chromosome related and can be passed down to the child. Since the sex chromosomes tell the DNA how to grow and operate, there's a possibility that the chromosomes could tell the DNA to have color blindness put within the genes of the child since the parent(s) sex chromosomes have that. Hope this helped!

Which interaction produces dispersive forces by creating temporary dipoles that induce dipoles in other molecules?

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This type interaction is called the London dispersion force. These are temporary forces that happens when electrons of two adjacent atoms occupy positions that will result to temporary dipoles. The constant motion of the electrons will cause to form an instantaneous dipole when the electrons are unsymmetrically distributed. These forces are present in nonpolar substances.

A gas has experienced a small increase in volume but has maintained the same pressure and number of moles. According to the ideal gas law, how has the temperature of the gas changed?

Answers

temperature has increased

Ideal Gas Law:

pressure * volume = (number of moles of gas) * (0.08206) * (temperature)

or short-hand:
PV = nRT

this equation can be transformed to solve for temperature as:
T = PV / nR

given there is no change in pressure and the volume of the container has increased, we know the temperature increases because volume is in the numerator--a larger number on top reflects an overall greater number.

B) It has increased slightly

What is the oxidation number of iodine in KIO4?(1) +1 (3) +7(2) -1 (4) - 7

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K ( potassium ) = + 1

I ( iodine ) = + 7

O ( oxygen ) = - 2

hope this helps!

I need help fast. i will give you 85 points

Answers

Answer:

H3AsO4 → As2O5 + H2O

Explanation:

The first equation is balanced:

H3AsO4 → As2O5 + H2O

Here's a breakdown of the balanced equation:

Reactants:

H3AsO4: 3 hydrogen atoms, 1 arsenic atom, and 4 oxygen atoms

Products:

As2O5: 2 arsenic atoms and 5 oxygen atoms

H2O: 2 hydrogen atoms and 1 oxygen atom

As you can see, the number of atoms of each element is the same on both sides of the equation. This means that the equation is balanced.

1.11g of methane CH4 is burned in a bomb calorimeter containing 1000 grams of water. The initial temperature of water is 24.85 degrees Celsius. The specific heat of water is 4.184 J/g degrees Celsius. The heat capacity of the calorimeter is 695 J/degrees Celsius. After the reaction the final temperature of the water is 35.65 degrees Celsius. Calculate the heat absorbed by the water. Then calculate the heat absorbed by the calorimeter.

Answers

Given:
M methane = 1.11g CH4
M calories = 1000g or g of H2O
C heat capacity = 4.184 J/g °C of H2O
C heat capacity = 695 J/°C
Ti = 24.85 °C
Tf = 35.65 °C

Ask: ΔH = ?
Formula: q=mCΔT
= (1000 g) (696 J/°C) (10.8°C)
= 7506000 J H2O (endothermic) release heat

q reaction = -q calorimeter
= -7506000 J = ΔH

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