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Maci

Questions (58)

A rectangle has an area of 3 squa·re feet and width-½ foot. What is the length of the rectangle?
1. 1 answer
2. 224 views
What independent reading selection have on as a reader? would you recommend your selection to a friend? why or why not answer.I
1. 5 answers
2. 699 views
Why does it matter that math materials are either open-ended or self-correcting?
1. 2 answers
2. 1,687 views
In a school survey year 6 found that for every 4 girls there were 5 boys what is the ratio of girls to boys
1. 1 answer
2. 524 views
You went to lunch with your friend and the bill is $19.00 your lunch is $3.00 more than your friends. How much was your friends
1. 6 answers
2. 4,085 views
How do I make this more positive?Dear renter: Effective march 1, the rent for your parking space will go up $10 a month.
1. 1 answer
2. 779 views
how do varieties of informative and positive messages adapt the basic pattern?
1. 1 answer
2. 675 views
My teacher has assigned a project. I have to make a collage for Pip in Great Expectations. I have to use symbols that would
1. 1 answer
2. 429 views
give equations showing the commercial methods for preparations of the halogen (F2, Cl2, Br2, I2)
1. 1 answer
2. 879 views
a. describe the frasch processfor mining sulfur.b. why must the water be superheated?
1. 1 answer
2. 379 views
describe what happens to sulphur as it is heated from room temperature to about 250 degrees c mention the various allotropes
1. 1 answer
2. 657 views
give five uses of phosphorus either as the acid or as one of its salts.
1. 2 answers
2. 393 views
what are the names of three important nitrogen fertilizers with their formulas?
1. 1 answer
2. 407 views
though both nitrogen and oxygen are diatomic gases, nitrogen is far less reactive than oxygen. Why?
1. 1 answer
2. 684 views
Differentiate between oxide, a peroxide, and a superoxide?
1. 7 answers
2. 648 views
write balanced equations of hydrogen with the following:a. potassium b. fluorine c. sulfur
1. 2 answers
2. 576 views
write balanced equations of hydrogen with the following:a. potassium b. fluorine c. sulfur
1. 0 answers
2. 425 views
what types of close packed unit cells do most metals assume?
1. 0 answers
2. 381 views
distinguish between aorphous and crystalline soilds and give an example of each
1. 1 answer
2. 328 views
which intermolecular forces would exist between molecules of:a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
1. 2 answers
2. 770 views
which intermolecular forces would exist between molecules of:a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
1. 1 answer
2. 894 views
which intermolecular forces would exist between molecules of:a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
1. 2 answers
2. 630 views
explain the difference between hydrogen bonds and dipole dipole forces.
1. 1 answer
2. 418 views
how are intermolecular forces different from chemical bonds?
1. 1 answer
2. 386 views
what conditions must exist for a polyatomic molecule to be nonpolar?
1. 1 answer
2. 1,885 views
what shape would you expect a molecule to hove that was based on an atom with only two bonding pairs of electrons? Three bonding
1. 2 answers
2. 533 views
what shape would you expect a molecule to hove that was based on an atom with only two bonding pairs of electrons? Three bonding
1. 0 answers
2. 431 views
what do we mean when we describe a molecule as being polar?
1. 2 answers
2. 1,007 views
Tell whether the bonds between the following atoms are polar covalent or pure covalent bonds.a. Si-Si b. H-O c. C-H d. C-O e.
1. 2 answers
2. 1,383 views
Predict what type of bonging predominates in each of the following.a. AsCl3 b. LiBr c. CuNi d. SO2 e. XeF6 f. Fe g. MnF2 h. HCN
1. 2 answers
2. 699 views
if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?
1. 1 answer
2. 2,115 views
if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?
1. 2 answers
2. 866 views
A force of 20 Newtons gives a brick an acceleration of 5 m/s^2. What is the mass of the brick?
1. 0 answers
2. 424 views
what are some problems with regulatory agencies?
1. 1 answer
2. 411 views
what distinguishes the irs and osha from other regulatory agencies?
1. 0 answers
2. 453 views
How are intermolecular forces different from the forces that bond atoms together into molecules? How are they similar?
1. 0 answers
2. 522 views
why is it impossible to draw a distinction between natural substances and chemical substances?
1. 2 answers
2. 742 views
which element do not combine readily with other elements because they already have eight electrons in their outermost shell?
1. 1 answer
2. 468 views
why is it impossible to draw a distinction between natural substances and chemical substances?
1. 0 answers
2. 503 views
what are the three ceremonial functions of the president as chief of state?
1. 1 answer
2. 437 views
what is the foundation of the president's authority and influence?
1. 1 answer
2. 455 views
explain the importance of a president's character.
1. 0 answers
2. 347 views
Predict whether triangle s would be positive or negative for each of the following; give a reason for your answer.
1. 1 answer
2. 1,029 views
Arrange the following systems in order of increasing randomness or disorder(bring with the most ordered system)1 mol liquid
1. 2 answers
2. 2,075 views
when triangle s (entropy) is positive does that mean that the disorder has increased or decreased? Explain
1. 1 answer
2. 486 views
how many joules of heat are needed to vaporize 50.0 g water at 100.0 C?
1. 2 answers
2. 2,173 views
how many joules of heat are needed to heat 900.0g water from 18.0 C to 98.0 C?
1. 1 answer
2. 987 views
How many joules of heat are required to melt 60.5g of ice at 0 degrees C?
1. 1 answer
2. 1,353 views
Propane(C3H8), the major component of LP game, is often used as heating and cooking fuels in homes. When propane is burned(
1. 3 answers
2. 1,444 views
sodium metal reacts violently with water to produce aqueous sodium hydroxide and hydrogen gas. calculate the enthalpy change for
1. 5 answers
2. 2,876 views
If the pressure on a balloon were quadrupled what would happen to the balloons volume?
1. 3 answers
2. 769 views
A sperm whale dives from the surface to great depths the air in its lungs progessively shinks until the lungs are completely
1. 5 answers
2. 1,189 views
The reaction for the burning of one type of match tip is as follows:P4S3(s) + 8 O2(g)----> P4O10(g) + 3 SO2(g) What volume in L
1. 6 answers
2. 885 views
Why is it necessary to correct the pressure of a gas that is collected over water?
1. 1 answer
2. 429 views
Consider three gases: chlorine, freon-12, and radon. According to Grahams law of diffusion which gas would you expect to diffuse
1. 1 answer
2. 808 views
when calculating stoichiometric relationships in gas reactions using the combined gas law why is it important to convert the
1. 1 answer
2. 623 views
what is the partial pressure of N2 in the mixture of N2 and O2 having a total pressure of 1075 torr if the partial pressure of
1. 1 answer
2. 898 views
What are the different types of seeds??(mustard,apples,etc)
1. 1 answer
2. 747 views

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