胡雪8°

Free Fall?

given that log5(y)=8 find the value of log5(125y)?

Ap Chemistry Gas law help?

quick chem Q's - easy points !?

Help give an example of a linear equation that is parallel to the y axis ?

what is the structural formula for  3-propoxyheptane?

what is the LCM of 6 and 18?

6.3 liters of sulfur vapor, S8(g), at 655°C and 8.87 atm is burned in excess pure oxygen gas to give sulfur dioxide gas measured at the ...?

PLEASE HELP ASAP?

If 5.84 L of nitrogen gas and 24.96 L of hydrogen gas were allowed to react, how many liters of ammonia gas could form? ?

Question from chemistry Acids and Bases?

Kindly solve this question asap  Reading of the spring scale in figure is-?

Partial pressure ?

The air contains about 21% O2 gas. If the atmospheric pressure is 89 kPa, what is the partial pressure of the O2 gas?

Help with chemistry questions ?

Find f'(-3) if 5x(f(x))^3+3x^3f(x)=96 and f(-3)=-1?

Help please?

Chemistry Dilution?

Write X^2-6x+1 in the form (x+a)^2+b?

chemistry question?

Is NaCl an ionic bond or covalent bond?

O is the centre of the circle with radius 10cm.AB and PQ?

Calculating pH of buffers?

PHYSICS HELP ASAP PROJECTILE MOTION PLEASE!?!?!?!?

Write the Taylor series for ?

Given the reaction:Al(s)+3Ag+ --> Al3+ +3Ag(s) Based on Reference Table Adv-10 what is the potential (E)^0 for the overall reaction?

4. If you mix 20.0 mL of a 3.20M NaOH solution with 35.0 mL of a 5.80M NaOH solution, what is the molarity of the final solution?  ?

 calculate the mass of sodium hydroxide?

Chem Help?

What are the oxidation states of the elements?

Calculate the pH of a buffer solution?

Please Help!! (sinx-cosx+1) / (sinx+cosx-1) = (sinx+1) / (cosx )?

Pleaseeeee help! Prove that: sinx-cosx+1/sinx+cosx-1 = sinx+1/cosx?

Please help chem pic?

chem help?

Chm, pH question?

225 sin theta cos theta =100. Simplify this.?

pls help asap i need this in 30 mins pls heeeeeellllpppp?

Determine f and g such that h(x) is f(g(x))?

Calculate ΔS° for the dissociation of dinitrogen tetraoxide at 25°C?

Chemistry Naming Coordination Compound Help?

Need help with probability question(C)?

If triplicate absorbance readings of 0.419, 0.430, and 0.416 are recorded, what is the average %T for this solution?

Molar solubility help?

Can the following reaction be classified as a redox reaction? 2NaOH(aq) + H2SO4(aq) ----> Na2SO4(aq) + 2H2O(l)?

Can you die Instantly if you drink heavy water like D2O?

What is the redox reaction?

Is HCl(aq) + NaOH(aq) = H20(l) + NaCl(aq) a redox reaction ? if yes show how the oxidation states change?

energy photon emitted when an electronic a hydrogen atom undergoes transition from n=2, n=3?

who can help me with this?