# Posts by tiffany

Total # Posts: 928

**chemistry**

there is 4.5 grams of acetic acid in 100 ml of water. how many moles of acetic acid is that?

**Math**

78

**child care**

thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?

**Please check answers/ childcare**

thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?

**Please check answers/ childcare**

thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?

**Please check answers/ childcare**

hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...

**child care**

hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...

**Childcare Manegment /please chech answers**

hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...

**can you please check my answers**

1) A strategy for health promotion among infants toddlers and young children focuses on educational programs physical fitness activities and a. family planning b.tobacco,alcohol, and drug use. c.Nutrition. d.mental health & menta disorders. 2)The main goal of effective health...

**chemistry**

After writing a balanced equation for the reaction between magnesium and hydrochloric acid, calculate the mass of magnesium needed to produce 90ml of hydrogen gas @ STP conditions.

**Calculus**

radical 2

**General Physic**

The time it takes for an object dropped from the top of cliff A to hit the water in the lake below is twice the time it takes for another object dropped from the top of cliff B to reach the lake. If it takes 2.30 s for the object to fall from cliff A to the water, what are the...

**english (Frederick Douglass)**

Whatis the most important description of Mr. Gore?

**english (Frederick Douglass)**

Why do you think Douglass says of the killing of slave Demby ‘in an instant poor Demby was no more. His mangled body sank out of sight, and blood and brains marked the water where he stood.”?

**sociology**

Im in Illinois and Yes its the same book Chapter 12 pg 365... Im so lost and don't know where to start. From Rasmussen as well. LOL

**history**

How did the settlement house movement differ from earlier attempts to relieve poverty?

**history**

in the 1800s

**history**

How did professionalization meet the needs of the developing American economy In the urban life?

**childcare**

ok thanks

**childcare**

its for my homework

**childcare**

exam 00383001 need help withj 5 questions

**childcare**

thanks :O)

**English (Grade 6)**

What is the best website to practice direct and indirect speech, adjectives and verbs for free? Thank you

**physics**

When a woman runs 140 meters north and then 60 meters west, what is the magnitude of her total displacement?

**Physics**

How does progress today differ from progress thousands of years ago?

**MATH**

3 OUT OF EVERY 4 STUDENT HAVE A COMPUTER AT HOME IF THERE ARE80 STUDENTS HOW MANY HAVE COMPUTERS AT HOME

**MATH**

IN A CLASS 3 OUT OF EVERY 7 STUDENT ARE MALES IF THERE ARE 27 MALES HOW MANY STUDENT ARE IN THE CLASS

**12th Grade Government**

Why was it important to the Founding Fathers to justify their actions by evoking traditional English rights?

**12th Grade Government**

_____ believed that there should be no limits to the power of the government once the will of the people was determined.

**physics**

Suppose I have a spring. I add a mass (m = 1.0 kg) and it is displaced by 15 cm. What is the spring constant k in units of (N/m)?

**Accounting**

Need help with this bank reconciliation...this is actually for a job and I am forgetting everything about accounting because I am nervous. BANK RECONCILATION ============================================== On Aug 14th, One of our Partner's ( Compuville ) cash book showed a ...

**algebra**

Use muliplying by 1 to find an expression equivalent to 10/13 with a dominator of 39a Please kindly help. I don't understand what to do. Thanks!

**math116**

-8x-27=-32 1/5 the solution must be in the form as an integer or simplified fraction. Thank you.

**PHYSICS ---HELP!**

A patient is to be given a blood transfusion. The blood is to flow through a tube from a raised bottle to a needle inserted in the vein . The inside diameter of the 4.8 cm long needle is 0.48 mm, and the required flow rate is 4.9 cm/3 of blood per minute. How high should the ...

**physics**

Blood from an animal is placed in a bottle 2.0 m above a 3.4 cm long needle, of inside diameter 0.35 mm, from which it flows at a rate of 2.9 cm^3/min. What is the viscosity of this blood? Assume Pblood}=1.05 * 10^3 kg/m^3.

**chemistry**

a 5% acetic acid solution contains -----grams of acetic acid per ------

**College Algebra**

USE MULTIPLICATION PRINCIPLE - X/2 = 8 X=_________ I APPRECIATE THE HELP!

**math**

complete the order triple 8x-y+z=22, 4x+2y-3z=13, x-3y+2x=-6

**Alg & Trig 2**

find the sum of 1/2, 2/7x, and 5/x

**Alg & Trig 2**

find the sum of 1/2, 2/7x, and 5/x

**Chemistry**

Calculate the enthalpy change in kJ when 21.6g of H2S is burned. 2H2S(g) + 3O2(g) --> 2SO2(g) + 2H20(g) Change in H=-1036kJ/mol

**Business**

Which economic system is the best solution to handling a crisis of epic proportion?

**Physics Help!!**

Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a crude estimate of the ...

**science**

Which of the following chemical reactions is written to show that mass is conserved? A H2O to H2+O2 B CH4+202 to CO2+2H2O C Mg+HCI to 3MgCI0+H2 D N2+H2 to NH

**Physics**

A 3.6 m diameter merry-go-round is rotating freely with an angular velocity of 0.78 rad/s. Its total moment of inertia is 1700 kg m^2. Four people standing on the ground, each of mass 62 kg, suddenly step onto the edge of the merry-go-round. What is the angular velocity of the...

**English**

Idententify the sentence parts - Whose car did the parking attendant tow yesterday?

**phsics**

for this you just take the inverse tan of .4 and will get theta.

**consumer math**

$400.OO

**Finance**

what is the present value of 1000 paid at the end of each of the next 100 years if the interest rate is 7% per year

**College Algebra and Trig**

a rancher has 12,000 feet of fence to enclose 5 adjacent pens. determine the outer rectangular dimensions that result the maximum enclosed area.

**math**

Erica took 2 days to drive 1,020 miles. On the first day she drove 10 hours at an average spped of 62 mile per hour. on the second day, her average spped was 57 miles per hour. approx. how long did she drive on the 2nd day?

**geometry**

A manufacturer wants to make a rectangular storage box with volume 0.75 cubic meters, length 1.5 meters and width 0.4 meters. What is the height of the box?

**math**

the coordinates of triangle KLM are K(-2,-5), L(0,1), M(6,-2) What type of triangle is KLM? A) obtuse isosceles B) acute scalene C) right isosceles D) right scalene

**GEOMETRY**

Alicia is 5ft tall. she casts a shadow that measures 6 1/2 feet long at the same time that a sculpture in the park casts a shadow 12 ft long. which of the following is the approximate height of the sculpture? a) 2.0 miles b) 6.6 miles c) 12 miles d) 15.6 miles

**Ohlone**

6moles

**math**

how do you find the function of the domaine

**social studies**

they are nomadic

**Chem.**

Suppose that 55 mL of 0.2 M LiOH and 55 mL of 0.3 M HNO2 are mixed. What is the K for the dominant equilibrium in terms of Ka's, Kb's, Kw etc.?

**Chemistry**

NH4+ OH-=NH3+H20

**Chemistry**

NH4+ + OH- NH3 + H2O What is the K for the reaction above in terms of Ka's, Kb's, Kw etc.?

**Psychology**

What different tools of psychology help us with work and everyday life situations?

**Chemistry**

Calculate the solubility of LaF3 in grams per liter in the following solutions. The Ksp of LaF3 is 2.01 e-19. (a) pure water (b) 0.051 M KF solution (c) 0.065 M LaCl3 solution

**physics**

Your groceries are in a bag with paper handles. The handles will tear off if a force greater than 59 N is applied to them. (a) What is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised with constant speed? kg (b) What if it is...

**reading**

see Marjorie's personality as shallow

**math**

-2(-5+2)-3(3-4)-5

**math**

on a single day the temperature in alaska dropped from a high of -12 f to a low of -50. what os the difference between the high and low temperatures

**Chemistry**

3H2(g)+N2(g)=2NH3(g) Suppose the equilibrium constant Kp = 0.003337 for the reaction above. If the equilibrium mixture contains partial pressures H2 = 0.400 atm and N2 = 0.350 atm. What is the equilibrium partial pressure of NH3 in atm?

**physics**

A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 17 m/s. If the brick is in flight for 2.5 s, how tall is the building?

**Algebra**

how do you factor 4c^3-500 ?

**art**

please help me pick a favorite harlem Renaissance name of the picture date/time material used. and used for and symbolism

**college art**

please help me pick a favorite harlem Renaissance name of the picture date/time material used. and used for and symbolism

**physics**

A truck covers 40.0 m in 8.60 s while smoothly slowing down to a final velocity of 2.00 m/s. (a) Find the truck's original speed. (b) Find its acceleration.

**Chemistry**

Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution is 103.6°...

**Chemistry**

If you are making 430.0 g of 0.41 m Na2SO3, how many grams of the solute should you use? I got 20 grams, but I don't think this is the right answer.

**math**

There are about 9ft per yard

**math**

Area= 2(L+W)

**Grammar**

Thank you

**Grammar**

(Check these please)Identify these sentences as compound, simple or run-on sentences. 5. Percy Shelley traveled in Europe and visited friends.(simple) 6. Shelley made friends with other poets; John Keats was Shelley's friend.(compound) 7. William Godwin was another friend...

**chemistry**

Which of the following are solutions? Choose all that apply. (Note: do not pick heterogeneous systems that contain a homogeneous phase.) - Cold coffee or cold tea. -Cigarette smoke. - Tap water. - Milk. - Fog. - The air typically found in a room. - Pure water.

**chemistry**

11:54Am

**Math Please check these**

thank you

**Math Please check these**

Find the Perimeter and area of each square and rectangle. On my actual paper I have the cm and in behind the numbers along with the area's squared sign I just didn't know how to put that on here. 1. L2 W3 A=6 P=10 2. L1 W1 A=1 P=4 3. L7 W1 A=7 P=16 4. L7 W7 A=49 P=28 5...

**Grammar**

Thank you

**Grammar**

Is this one right. The most likely theory, perhaps,/called it a comet of tiny pieces of metal.

**Grammar**

Separate the complete subject and the complete predicate. There are many theories/ about the Tunguska Fireball. Is this right?

**science**

A mixture of two gases, Xe and H2, has the properties listed below. PXe=190torr PT=250torr What is the ΧH2 for this mixture? I'm sorry I really don't get this.

**science**

A mixture of two gases, C2H2 and H2, has the properties listed below. nC2H2=0.028moles nH2=0.015moles PC2H2=79torr What is the PT for this mixture? I first found out the mole fraction by first adding H2 and C2H2 and got 0.043, then did 0.028/0.043. I rounded it to 0.651. I ...

**science**

oops the "t" is supposed to be a capital one, if that means anything.

**science**

Could anyone please explain this formula to me, and give me an example of how it is used? Pa=Xa*Pt the "a" and the "t" are subscripts.

**MATH**

use these facts to find the equation for the circle center (0,0), radius=6 a)x2-y2=36 b)x2+y2=36 c)x2-y2=6 d)x2+y2=6

**math**

in square ABCD, AD=3x+7 and CD=6x+6 Find AD and CD A)1/3 B)16 C)3 D)8

**MATH**

In isosceles trapezoid ABCD, AB=22, CD=34 and AC=10. Find BD A)28 B)5 C)10 D)35

**math**

using the law of detachment, what can be concluded regarding the following statements: If a figure is a rhombus, then it is an eqilateral quadrilateral. A square is a rhombus. a) a rhombus is a square b) a square is a rhombus c) a square is an equilateral quadrilateral d) an ...

**math**

which statement is biconditional a)if x=5, then 2x+3=13 b)if two angles are a linear pair, then they = 180 degrees c) if the car runs out of gas, then it will stop d) if a figure is square, then it has four sides

**math**

simplify -2(-6y+2) +4y(4z+5y)

**Chemistry**

A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na^+ ions of 1.3 M? Express your answer numerically in grams.

**Chemistry**

A student placed 17.0 g of glucose (C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 mL mark on the neck of the flask was reached. The flask was then shaken until the solution was ...

**Chemistry**

How many kilograms of chlorine are in 22 kg of each of the following chlorofluorocarbons CFCs? 1.CF2Cl2 2.CFCl3 3.C2F3Cl3 4.CF3Cl

**Chemistry**

Determine the number of moles of oxygen atoms in each of the following. 5.91mol H2O2 2.7mol N2O 2.23mol CO2