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How to solve with integration?

Why did Great Britain declare war on Germany?

For λ = 5.0 X 10^5m
calculate the
(i) fractional uncertainty in d. (ii) percentage uncertainty in d^2 ?

Urgent. Please help. Calculate the percentage uncertainty for the displacement when t = 40s?

How do I found the value of b? The answer is 4.7×10^4 to 5.3×10^4

Would wearing sunscreen and/or wearing a thick jacket protect you from gamma radiation??

Why is platinum used in electrochemical cells?

What would be the empirical formula of ethane?

Calculating the radius of a star 100 times bigger than our Sun?

Are they both right? why?

After World War II, who controlled North Korea? South Korea?

Given pKa of weak acid HX is 4.2, what is the buffer created by mixing equal volume of 0.2M HX with 0.1 M NaOH?

Write the chemical reaction showing comlete combustion of the organic substance formed in sodium hydroxide and chloroethane?

How long does a ball take to fall from a roof to the ground 7 m below?

The halflife of Tungsten181 is 121 days. If you start with 3 pounds of it, how much do you have after 7 years?

Two charges #+1*10^6# and #4*10^6# are separatd by a distance of 2 m. Where is the null point located?

What is the electron configuration of #"Cr"^(2+)# ?

Why did some nations embrace totalitarianism after World War I?

Mention 4 elements which exhibit allotropy?

What is the derivative of #(3+2x)^(1/2)#?

An iron piece get heated faster than water even though same amount of heat energy is applied in both.why?

How many significant figures are there in 0.00707?

How do you differentiate #f(x)=2sinxtanx#?

Calculate the pH of the following aqueous solutions?

What is the observation that will made when bromine added to potassium fluoride?

Please help with this question on functions?

1) How do enzymes actually work to speed up chemical reactions?

The halflife of an isotope of tritium is 4500 days. How many days will it take an amount of tritium to fall to a quarter of its initial mass?

A train whistle blows every 10 seconds. What is the frequency of the whistle?

What is the ratio of lactic acid (Ka = 1.37x104) to lactate in a solution with pH =4.59?

Is #f(x)=4x^3+4x^2+2x1# increasing or decreasing at #x=2#?

How do you solve using elimination of #4x5y= 1 # and #2x+y=5#?

Whatis the percent hydrogen in NaHCO3?

Uranium238 decays very slowly with a half life of 4.5 billion years. what percentage of a sample of uranium238 would remain after 13.5 billion years?

If 30 mL of 0.10 M NaOH is added to 40 mL of 0.20 M HC2H3O2, what is the pH of the resulting solution at 25°C? Ka for HC2H3O2 is 1.8 x 10^–5 at 25°C.

What happened to Germany after WWII?

How do you solve 2x5y=19 and 3x+2y =0?

What are the points of inflection, if any, of #f(x)=2x^4e^(8x#?

What is the equation of the tangent line of #f(x)=6xx^2 # at #x=1#?

What protects us from harmful radiation of the sun?

How was the presumed age of the Universe determined?

What is the HR diagram?

What is the gravitational force that the Sun exerts on Jupiter?

What will happen at the end of the sun's life?

Can anyone give me some information on how nuclear energy is more beneficial than other types (GCSE level please :) ?

What is the [H3O+] of a solution with the PH of 4.98?

What are the units used to measure pressure?

Consider a solution containing 4.62 g of a Group I metal carbonate, M2CO3 in a total volume of 100.0 mL. If 25.0 mL of this solution requires 20.0 mL of 0.5 mol L1 HCl for complete reaction, the Relative Atomic Mass of the metal M is?

How do you graph #y=3cosx#?

How do you balance #CuCl_2 + Fe > 2Cu + FeCl_2#?

How do you solve #3x^2+14x+15=0#?

What is the slope and yintercept of the line y=5x+2?

What is the pH of a solution that has a [H+] = 0.0039 M?

What is the pH of a 0.003 M KOH solution?

What are some common acids found in the home with the amount of pH valve it contains?

What were the provisions of the Treaty of Versailles?

Why did North Korea become communist?

When wood is burned, new substances are produced. What kind of reaction is this and what type of change occurs?

What's the equilibrium pH of an initially 0.64M solution of the monoprotic acid benzoic acid (HA) at #25^@ "C"# (Ka = 6.3 x 10^5) ?

What is the pH of the solution which results from mixing 20.0mL of 0.50M HF(aq) and 50.0mL of 0.20M NaOH(aq) at 25 centigrades? (Ka of HF = 7.2 x 10^4)

What's the OH concentration in 0.48M CH3CO2 (aq) (Kb of CH3CO2 is 5.6 x 10^10)?

The pH of aquous 0.10M pyridine (C6H5N) ion is 9.09. What is the Kb for this base?

How many moles are in 37.9 g of NaHCO3?

Are dipole dipole forces weak?

How do London dispersion forces relate to the boiling point of a compound?

What is an aldehyde?

What happens to hydrogen ions in a base ? and what is the equation ?

N2o3 hybridization?

How do you write 1000 in scientific notation?

What are the properties of acids and bases?

Titration Question  How many mL of 0.0350M NaOH are required to titrate 40.0 mL of 0.0350 M HNO3 solution to its equivalence point?

Write half reactions for the following equation? : #Mg_((aq))^(+2) + Mn_((s)) > Mg_((s)) + Mn_((aq))^(+4) #

Why is absolute zero important?

What is the limit of #e^x# as #x to oo # ?

Why is respiration considered as an exothermic reaction?

What is the difference between an atom and an element?

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. How much energy does the ball have?

A ball with a mass of #350 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #16 (kg)/s^2# and was compressed by #7/4 m# when the ball was released. How high will the ball go?

How do you factor #y=n^216n+64
#?

What is the electron configuration for nickel?

What is the cofficient of Cr^2+?

How does Newton's third law apply to baseball?

Sodium24 has ahalflife of about 15 hours how much of an 1.60 gram sample of sodium24 will remain after 60.0 hours? Ans :(1g)?

How do you convert 250% into decimals and fractions?

What is # 3^(3/2)# in radical form?

What electromagnetic waves are used for communication?

Seawater has a pH of 8.100. What is the concentration of OH–?

What is the pH of a solution that is 5.0×10−2 M in H2CO3?

If it takes 54 mL of 0.100 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl?

The acid dissociation constant of #"H"_2"S"# and #"HS"^# are #10^7# and #10^13# respectively. The pH of 0.1 M aqueous solution of #"H"_2"S"# will be?

The correct order of increasing acidic nature is?

Which of the given salt will have maximum pH?

John uses a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. The pulley is 50% efficient. How much work must be done to lift the sail? How much work must John do on the rope to lift the sail?

Would you agree with this?
"Objects with mass has a property called inertia, Inertia means that objects has a tendency to resist all changes in motion that effects the object ",

How to do this question?

A bicycle possesses 1000 units of momentum. What would be the bicycle's momentum if its velocity is doubled?

How do windmills make electricity?

Why is a knife a wedge?

How do you define sound intensity?

On the EM Spectrum, which type of wave has the most energy?

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