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devlian [24]
2 years ago
5

Which 3 characteristics are used to describe all waves, regardless of type? Check all that apply.

Chemistry
2 answers:
Dmitry [639]2 years ago
6 0

Answer:

Frequency

Trough

Crest

Explanation:

Inessa05 [86]2 years ago
5 0
Frequency trough crest
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How many grams of kno3 pellets must be dissolved in water in order to prepare 100 ml of a 8 m kno3?
Montano1993 [528]
In 8M of KNO3, there are x moles of KNO3 divided by (100/1000)L of water (because molarity is concentration, given by no. of moles divided by total volume in liters).

by changing the subject of formula, x = 0.1L × 8M = 0.8mol

given the no. of mol of KNO3, mass of KNO3 is given by no. of mol multipled by the relative molecular mass of KNO3.

mass = 0.8mol × 101.10g/mol (or whatever your periodic table says) = 80.88g
4 0
3 years ago
During science lab, Jacob mixes together sodium hydroxide (NaOH) and hydrochloric acid (HCl). The two chemicals react to form so
Svet_ta [14]
The answer is B. Because reactions are what goes in. Products are what comes out
3 0
2 years ago
Read 2 more answers
Which mineral is used in batteries
ankoles [38]

Batteries come in all shapes and sizes, and depending on the type of battery, the minerals that compose them are mainly lithium, cobalt, graphite, nickel and manganese.

4 0
2 years ago
Calculate the Ka for the following acid. Determine if it is a strong or weak acid. HClO2(aq) dissolves in aqueous solution to fo
Talja [164]

Answer:

The value of Ka = 1.1*10^{-2}

It is a weak  acid

Explanation:

   From the question we are told that

             The concentration of [HClO_2]=0.24M

             The concentration of  [H^+]=0.051M

             The concentration of  [ClO_2^-]=0.051M

Generally the equation for the ionic dissociation of HClO_2 is

                HClO_2_(aq) -------> H^{+}_{(aq)} + ClO_2^{-}_{(aq)}

The equilibrium constant is mathematically represented as

                         Ka = \frac{concentration  \ of  \ product  }{concentration \ of \  reactant }

                               = \frac{[H^+][ClO_2^-]}{[HClO_2]}

Substituting values since all value of concentration are at equilibrium

                    Ka = \frac{0.051 * 0.051}{0.24}

                          = 1.1*10^{-2}

Since the value of  is less than 1 it show that in water it dose not completely

disassociated  so it an acid that is weak

                         

               

3 0
2 years ago
Family members on a camping trip decide to make hot cocoa after dinner. They add instant cocoa mix to hot water. What can they d
zysi [14]

Answer:

Your ANSWER:

A.stir the hot cocoa

Explanation:

stirring helps particals dissolve faster

6 0
2 years ago
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