Posts by Emily
Total # Posts: 3,010
What did you get on it?? I really need help!
The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.265 M solution of dichromate to reach the equivalence point. What is the molarity of the iron(II) solution?
33.2 °C - 25.1 °C = 8.1 °C Would my answer be 8.1 °C or 8.10°C ?? I have to consider sig figs but idk if 8.10 °C would be correct & if that should be my final answer??
Test tomorrow too! I don't understand how to do these at all! HELP PLEASE _______________________________ 3.) 11.45 L of milk spilled on the floor. How many gallons spilled? 6.) Suppose 19.0 quarts of water is consumed by a thirsty dessert traveler. How many fluid ounces ...
Jake seems to be having similar questions...
These will give me ANSWERS ONLY.Can someone explaint to me how to do these????
Yes they are Chemistry Questions. I have Chemistry rn and these are the questions that we are doing.
1.) It took Beethoven (the composer, not the dog from that movie) 4.5 years to compose the Ninth Symphony (this may not be true, I made it up). How many decades did it take him? 3.) Michael bought a pumpkin that had a mass of 18,165 grams. What was the mass of the pumpkin in ...
T- the skeletal system consists of 206 bones H- Helps protects the body
What is the prefix,suffix,and root for neutral?The definition? My answer: Prefix-ne Suffix- no suffix Root- utral am i Definition-?? Not sure correct?
I am not sure about the prefix suffix and root of minute for the prefix i think it is min for suffix i think there is no suffix and root ute am i correct? Answer ASAP PLZ
The foot of a ladder is on level ground 1.5m from a wall. The ladder leans agents the wall. The angle formed by the ladder and the ground is 70 degrees. Calculate how high up the wall the ladder reaches.
If an unemployment is low in percentage, is that a good thing?
how do malaysia's natural resources, imports, and exports help make a strong economy?
THE PROMPTS:TAKE A POSITION THAT DEFENDS OR CHALLENGES THE CLAIM THAT THE RECENT PROFUSION OF SURVEILLANCE TECHNOLOGIES CONSTITUTES A THREAT TO CIVIL LIBERTY. ___________________________________ The example Introduction is : George Orwell wrote "1984", a novel ...
The PROMPT:TAKE A POSITION THAT DEFENDS OR CHALLENGES THE CLAIM THAT THE RECENT PROFUSION OF SURVEILLANCE TECHNOLOGIES CONSTITUTES A THREAT TO CIVIL LIBERTY.
Formal essay topic sentence guidelines: 1.) Topic sen. must be debatable, or, at the very least, worthy of discussion. They should not present straight facts with which most people would readily agree, nor should they be general statements about life. 2.) Topic sen. should ...
so whats the answer then
Quick physics check
1. During a five minute period a caterpillar crawls in a straight line along the edge of a meter stick from the 18 cm mark to the 42 cm mark. The displacement of the caterpillar during this time is A. 18 cm B. 24 cm C. 42 cm D. 60cm Is it 24 cm? 2. During a five minute period ...
i don't get it
A rifle shoots a bullet upward from an initial height of 5m. After 3s, its height is 20m. What is the bullet's velocity at this time?
Which pronoun correctly completes this question? Quiero mi plato. ¿ ____ lo pasas?
Christina has three more quarters than dimes. The total value of the dimes and quarters is $13. How many quarters does she have?
Enthalpy Change Calculations
Find the heat of reaction (ΔH) for each of the following chemical reactions and note whether each reaction is exothermic or endothermic. 1. H2O(l) -> H2O(g) This is what I have so far: H2(g) + ½ O2(g) -> H2O(l) ΔH = -286.0 kJ/mol H2(g) + ½ O2(g...
A small taxi company has a 48-car fleet Of the 48 cars, 1/2 are toyotas, 3/4 are Hyundais and the rest are Fords. How many of the company's cars are Fords? A) 8 B) 12 C) 16 D) 24
In this reaction solid NaOH is added to approximately 100 mL of 0.500 mol/L HCl. Trial 1: 2.02 g of solid NaOH is added to 102.0 mL of the HCl solution. The temperature goes from 22.00°C to 32.0°C. Calculate the heat evolved in each trial (Q). I'm confused on how ...
In a constant-pressure calorimeter, 65.0 mL of 0.330 M Ba(OH)2 was added to 65.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 24.28 °C to 28.78 °C. If the solution has the same density and specific heat as water, what is ΔH ...
English Grammar - Clauses
The following sentence contains _____. We like him as much as them. an adjective clause a noun clause an elliptical clause no subordinate clause I think "as much as them" is an adverb clause but since it's not an option, I'd choose "no subordinate clause...
English Grammar - Function of an Infinitive
Thank you for your help, Ms.Sue! I'd like to know if there's a specific rule for infinitives that follow adjectives.
English Grammar - Function of an Infinitive
Hello, In the following sentence identify the function of the infinitive (phrase). Is it too expensive to travel to Europe? My list of answers contains: Adverb, subject, direct object, adjective, object of preposition, and predicate noun. Apparently, both predicate noun and ...
Find the gravitational force acting on the Sun by the Earth. Given: Mass of the Sun = 1.99 * 1030 kg Mass of the Earth = 5.98 * 1024 kg Radius of the Sun = 6.96 * 108 m Radius of the Earth = 6.37 * 106 m Distance between the Sun and the Earth = 1.50 * 1011 m G = 6.67 * 10...
Geometry - Degrees, minutes, and seconds
Thank you Ms.Sue!
Geometry - Degrees, minutes, and seconds
Hello, 24° 59' 60" is equivalent to 25° I would like to know how to reach 25° I've seen examples that added 1 to every number but that confused me even more. Thank you for your help!
Wow, that sounds complicated. Thank you for your help!
In the following sentence identify the function of the infinitive (phrase). Is it too expensive to travel to Europe? My list of answers contains: Adverb, subject, direct object, adjective, object of preposition, and predicate noun. I chose predicate noun. Also, if an adjective...
Science Help Not sure
B.The person moved with an average speed of - 4 km/h and an average velocity of - 4 km/h.
The only research method that can determine whether a cause-effect relationship exists between two factors is called a(n) __________.
Would a feather have more air resistance than a lump of lead?
a) iii. b) ii.
For centripetal acceleration, if the radius increases, does that mean the angle is decreasing?
solve using substitution method: x=-5 y=2 z=0 x+3y-z=1 -4x-2y+5z=16 7x+10y+6z=-15
A crate sits on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate (gravity would be acting into the page). Man one and man two apply forces F1 and F2, at angles of θ1 and θ2 respectively, with the goal of ...
When 1 mole of ethylene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate dH for a process in which 10.0 g of ethylene is burned at constant pressure.
When 1 mole of ethylene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate (delta) H for a process in which 10.0 of ethylene is burned at constant pressure
Eevaluation of current protests
How do I use an apostrophe to write this is James book? James'?
Maths - Trigonometry
The eaves of a roof sloping at 23° overhand the walls, the edge of the roof being 75 cm from the top of the wall. The top of the wall is 5.4 meters above the ground. What is the height above the ground of the edge of the roof, to the nearest centimeter?
Two ladders are the same distance from the base of a wall. The longer ladder is 15m long and makes an angle of 58 with the ground. if the shorter ladder is 12.6m long, what angle does it make with the ground?
If 2 dice are tossed 1000 times, predict the approximate number of times each sum below would occur in 1000 tosses. 2: 3 4 and so on until 12 HOW DO U DO THIS?!
What should be underlined or quoted in this sentence? The Dance of the Sugarplum Fairy is a melody in The Nutcracker Suite. The nutcracker suite underlined? What about famous dances?
calculate the solubility in grams of KCL3(s) per 100 ml of water
Higher to noise ratios can be achieved in FTIR spectra compared to spectra from dispersive IR instruments. How is such a useful feat achieved in FTIR
Are these answers correct? 1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere**** Chromosphere Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar ...
Carbon monoxide and hydrogen react according to the equation: CO(g) + 3H2(g) CH4(g) + H2O When 1.00 mol CO and 3.00 mol H2 are placed in a 1L flask at 1200K and allowed to come to equilibrium, the reaction mixture is found to contain 0.387 mol H2O. What is the molar ...
The aquarium was sealed and placed at a bright corner. After two weeks, both the number of water plants and water snails increased. (a) Besides their gaseous needs, state one other way in which the water snail and the water plant are interdependent.
Find the surface area of the cylinder to the nearest whole number. The figure is not drawn to scale. 13 in on top, 14 in around/
Calculate the approximate pH of a 0.1 M solution of ethanoic acid at 298 K, given that the dissociation constant, Ka, is 1.75 x 10-5 mol/L at 298 K.Ethanoic acid dissociates in aqueous solution as follows: CH3COOH(aq) + H2O H3O+(aq) + CH3COO-(aq)
how do I find the max number of 1.7 inch diameter spheres that can be stored in a cylindrical tank the tank has a radius of 2 inches and height of 4 inches there are 2 inches of water in the tank
the profit will decrease after a certain price at a higher rate. this means more bikes will need to be produced?
Through beta decay, 55Cr (Chromium‑55 with mass 54.94080 u) emits an electron (0.00055 u) leaving a daughter nucleus of 55Mn (manganese‑55 with mass 54.93800 u). a) How many different particles to we get out of this reaction b) How much energy in MeV is ...
omg Anon got me 100%!
how did you do them? do you have an equation or anything?
I'm stuck on this homework question. If someone can just help get me started with the first one I'm sure I can do the rest. I'm just not sure how to begin. Thanks! 1. A production process produces 90% non-defective parts. A sample of 10 parts from the production ...
A group of 9 workers decides to send a delegation of 3 to their supervisor to dicusss their grievences. c.) If there are 4 women and 5 men in the group, how many delegations would include at least 1 women? iS THIS CORRECT: C(4,1)xC(5,1)+C(4,3)XC(5,0)=24
Is it Median??
Is it B?
Im still confused because I'm getting a decimal
Im confused on how you are supposed to solve it Ms. Sue.
Im confused on
A company predicts that this years sales will be equivalent to 144% of last years sales. Which value represents 144%? A. 14.4 B. 1 11/25 C. 1.56 D. 14 4/5
Consider a solution made by mixing 100 mL of 2.0 M acetic acid (Ka= 1.8e-5) with 100 mL of 0.00020 M benzoic acid (Ka= 6.4e-5). How many moles of solid NaOH must be added to the solution so that half of the benzoic acid is protonated (i.e. such that [HA] = [A-] for benzoic acid)?
What types of intermolecular forces allow CO2 to dissolve in water? Do CO2 and H20 have a relatively strong or weak attraction?
Jill said that an angle is made of any two rays. Is she correct? Explain
Glen created a mural on a rectangular sheet of paper with a width of √18 feet and a length of √24. A. Find the exact area of the mural, in simplified form. When Glens mural was unveiled, the school made a smaller version of the mural to advertise the event. ...
If you have 225 grams of Ca3(PO4)2, and 185g H3PO4; calculate which is the limiting reagent, which the XS reagent, and how much product you will produce from the limiting reagent (in grams) Ca(PO4)2 + 4H3PO4 = 3Ca(H2PO4)2
If you need to produce 355 grams of oxygen gas (O2) in the electrolysis reaction of water by an electric current. If the reaction is run at 125 degrees Celsius in a reactor volume 22500ml. What is the pressure of the produced oxygen in mm Hg?
If you have a 1255ml of a 10.55 M solution of HCl and you need to dilute the solution to 1.555 M solution; How much solvent must you add?
In a 25.8 liter vessel of nitrogen gas that is heated from 10 degrees Celsius to 110 degrees Celsius to reach a final pressure of 17450 mm Hg; how many grams of N2 do you have in the vessel?
What are the correct and accurate products for the following ion combination reaction? Then write the ionic form of the reaction and the net ionic form of the reaction. K2CO3 + CaCl2 ->
What are the correct and accurate products of the following neutralization reaction. Then write the ionic form of the equation and the net ionic form. KOH + H2SO4 ->
When using a double slit with light of wavelength 504 nm, it is observed that the 4-th order maximum of the interference pattern occurs at the positions of the first minimum in the diffraction pattern. If the width of the slits is 0.24 mm, what is in mm the separation of the ...
Does anyone know the answer???
I meant paste the arrow!!
AB (with an arrow over AB I can't past the arrow so yeah) passes through A(-3, 0) and B(-6, 5). What is the equation of the line that passes through the origin and is parallel to AB? (with an arrow over it again) a)5x 3y = 0 b)-x + 3y = 0 c)-5x 3y = 0 d)3x + ...
(1 pt) When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 390 cm3, and the pressure is 75 kPa (kPa = kiloPascals) and is ...
1 pt) Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 68 degrees F and a living body temperature of 98.6 degrees F, the ...
A student generated oxygen gas by decomposing hydrogen peroxide (H2O2) according to the following equation: 2H2O2(aq) -> 2H2O(l) + O2(g) If the student started with 1.75 moles of hydrogen peroxide, how many moles of oxygen gas would be produced? Show your work. ((If you can...
I have to solve this problem do not understand Chang picked 36 Apples and kept 8 of them. He split the remaining apples among his sister and brother most write an algebraic expression on how many his sister and brother got.
A small resort is situated on an island that lies exactly 5 miles from P, the nearest point to the island along a perfectly straight shoreline. 10 miles down the shoreline from P is the closest source of fresh water. If it costs 1.5 times as much money to lay pipe in the ...
Find the point on the line 2x+4y+7=0 which is closest to the point (4,−3).
A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 31 feet
What pressure is required to reduce 34 mL of a gas at standard conditions to 16 mL at a temperature of 20◦C