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3 years ago

A force of 10 newtons is acting upon a box. If the box is not moving, we can assume-

Chemistry

1 answer:

julia-pushkina [17]3 years ago

8 0

Answer:

We can assume that all force acting on the box are <u>balanced</u> in all directions .

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Given the partial equation: VO2++ Mn2+ → VO2++ MnO4−, balance the reaction in acidic solution using the half-reaction method and

bezimeni [28]

Answer:

Mn^2+(aq) + 4H2O(l) + 5[VO2]^+(aq) + 10H^+(aq) ---------->MnO4^-(aq) + 8H^+(aq) + 5[VO]^2+(aq) + 5H2O(l)

Explanation:

Oxidation half equation:

Mn^2+(aq) + 4H2O(l) ------------> MnO4^-(aq) + 8H^+(aq) + 5e

Reduction half equation:

5[VO2]^+(aq) + 10H^+(aq) + 5e --------> 5[VO]^2+(aq) + 5H2O(l)

Overall redox reaction equation:

Mn^2+(aq) + 4H2O(l) + 5[VO2]^+(aq) + 10H^+(aq) ---------->MnO4^-(aq) + 8H^+(aq) + 5[VO]^2+(aq) + 5H2O(l)

6 0

4 years ago

What force is the type of intermolecular force that would be present between molecules of Cl2 ?

KatRina [158]

Cl2 is nonpolar so it has to be only London dispersion force (LDF)

7 0

3 years ago

Read 2 more answers

1. empirical formula for Cu2o4?

Wittaler [7]

We know that

1) empirical formula of a compound is the representation of a molecules with the elements in simplest mole ratio.

2) the molar mass is the actual proportion of moles of elements present in a molecule

3) there is a simple ratio between the molar mass and empirical mass a molecule

Now let us solve each problem

1) empirical formula of $Cu_{2}O_{4}$ will be $CuO_{2}$

2) empirical formula of $Zn_{3}(NO_{3})_{4}$ will be $Zn_{3}(NO_{3})_{4}$

3) empirical formula of $Ti_{2}S_{2.5}$ will be $Ti_{4}S_{5}$

4) the molecular formula will be :

$Ratio=\frac{molarmass}{empiricalformula}=\frac{112.04}{28.01}=4$

the molecular formula = 4 X empirical formula = 4 X CO = $C_{4}O_{4}$

5) the mole ratio of Cl and Cr is $\frac{1.90}{0.631}=3$

empirical formula will be $CrCl_{3}$

6 0

3 years ago

The mass of one blank is the molar mass of the element

timama [110]

the mass in grams of one mole substance is the molar mass of the element

8 0

4 years ago

What is produced when 50mLs of carbon and 30mLs of oxygen react

dsp73

50ml of carbon dioxide.

hope this helps

3 0

4 years ago