subject

Chemistry, 18.09.2019 18:30 cuppykittyy

What precautions should you take when using sharp objects like scissors

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 16:30

Acetic acid, hc2h3o2, dissolves and completely dissociates in water and a solvation sphere of water molecules forms around the ions. this solute-solvent interaction

Answers: 1

question

Chemistry, 21.06.2019 16:30

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

Answers: 3

question

Chemistry, 21.06.2019 19:30

The electromagnetic force acts between what

Answers: 1

question

Chemistry, 22.06.2019 19:40

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory

Answers: 3

You know the right answer?

What precautions should you take when using sharp objects like scissors...

Questions

question

Engineering, 26.07.2019 20:10

Aroom is heated by an iron that is left plugged in is this a heat or work interaction? take the entire room, including the iron, as the system....

question

Engineering, 26.07.2019 20:10

Vertical axis wind turbine generates more electrical power compared to horizontal axis wind turbine due to differences in wind speed. a)-true b)- fals...

question

Engineering, 26.07.2019 20:10

The horizontal axial turbine efficiency is the capacity factor based on the ratio of the efficiency factor tip speed to wind speed. a)-true b)- false...

question

Engineering, 26.07.2019 20:10

A350 gal air storage tank is initially at 100 psig. for how long can the tank supply 30 cfm of air to a machine that requires at least 80 psig to oper...

question

Engineering, 26.07.2019 20:10

The turbine blade tip speed v for r=1m and 5 rev/sec is a) 5 m/s b) 0.25 m/s c) 0.20 m/s...

question

Engineering, 26.07.2019 20:10

A5kw solar system may produce enough energy to power your home. a)-true b)- false...

question

Engineering, 26.07.2019 20:10

Arigid, sealed tank initially contains 2000 kg of water at 30 °c and atmospheric pressure. determine: a) the volume of the tank (m3 ). later, a pump...

question

Engineering, 26.07.2019 20:10

Horizontal wind turbines have same design for offshore and on shore wind farms. a)-true b)- false...

question

Engineering, 26.07.2019 20:10

Harvesting wind energy using kites is: a) possible but currently very expensive. b) possible and currently inexpensive compared to wind turbines c) p...

question

Engineering, 26.07.2019 20:10

How does a 2.5 mw wind turbine costing $ 4 million compare to a 5-kw wind turbine $3 /w? a) same $/w b) smaller $/w c) larger $/w...

question

Engineering, 26.07.2019 20:10

An ideal gas with constant specific heats and cv=0.7 kj/kgk and r=0.3 kj/kgk is contained in a piston-cylinder device and undergoes a power cycle as f...

question

Engineering, 26.07.2019 20:10

Apiston cylinder device contains water at 200 psi with a quality of x=1. the pressure is decreased to 100 psi and the volume is decreased by half. a)...

question

Engineering, 26.07.2019 20:10

When a conventional bent motor is being utilized for drilling a curve, the wellbore tortuosity is minimized which will reduce torque and drag in the d...

question

Mathematics, 26.07.2019 20:10

10-9 -8 -7 -6 -5 4 -3 -2 -1 2 3 4 5 6 7 8 9 10 6. consider the fun...

question

Mathematics, 26.07.2019 20:10

What is the golden rule for solving an equation?...

question

Biology, 26.07.2019 20:10

Science--what happens when cyanobacteria, algae, and phytoplankton sink to the seafloor and get decomposed by bacteria? select one: a. hypoxia b. ab...

question

Mathematics, 26.07.2019 20:10

The rational roots of a polynomial function f(x) can be written in the form p/q where p is a factor of the leading corfficient of the polynomial and q...

question

Mathematics, 26.07.2019 20:10

Select the correct answer. the area (a) of a circle is a function of its radius (r) and is given by the function a = f(r) = πr2. what is the dom...

question

Biology, 26.07.2019 20:10

Science--a lack of which of the following creates a dead zone? select one: a. carbon b. nitrogen c. phosphorus d. oxygen...

question

Mathematics, 26.07.2019 20:10

Select the correct answer. the area (a) of a circle is a function of its radius (r) and is given by the function a = f(r) = πr2. what is the dom...

More questions: Chemistry Another questions

Questions on the website: 13722363