4 times 10 to the negative 19 joules.
4乘以10的负19次方。
This is 10 to the minus 18 joules for this one atom.
对单个原子,就是10的负18次方焦耳。
So for every photon we have 2.84 times 10 to the -19 joules.
每一个光子有,2,84乘以10的- 19次方焦耳。
That is about 100 million joules per square meter every day.
约是1亿焦耳,每平方米每天。
You see there on the top there that one calorie is 4.2 joules.
你们看到那边上面写着,一卡路里等于4。2焦耳。
That is about 100 joules per second that you radiate 100 watts.
你每秒钟大约辐射,100焦耳——100瓦。
Now, look at the number of the sun 1.5 times ten to the 36th joules.
现在看太阳的数据,1。5乘10的36次方焦。
Gasoline produces per gallon something like close to a hundred million joules.
每加仑汽油大约产生,一亿焦耳热量。
And what we end up with for the energy then is 2.84 times 10 to the -19 joules.
我们算出的能量是,2,84乘以10的- 19次方焦耳。
That means our energy is equal to 6.626 times 10 to the -34 joules times seconds.
这意味着能量等于,6,626乘以10的- 34次方焦耳每秒。
And when I add that all up, I think I consume roughly 400 million joules per day.
当我把所有这些相加,我想我大约消耗4亿,焦耳每天。
And if you do so, you will end up with 1.312 mega joules per mole for this quantity K.
这样做之后,对于K常量你就能得到2,1。312百万焦耳每摩尔。
Well, here we get, we find that delta H is dH Delta S is negative 198 joules per Kelvin.
我们发现自由焓的变化,为负92千焦,negative,92,kiloJoules。,熵增dS是负198焦耳每开尔文。
Compare that with your body, which generates a hundred joules per second every second 100 watts.
这和你的人体相比较,人体每秒发出一百焦耳,每秒100瓦。
For one kilowatt-hour of electricity, which is four million joules, I pay only a lousy ten cents.
为一千瓦时电,就是四百万焦耳,我只花区区10美分。
So, keep in mind that one milliwatt is just the same as saying 1 times 10 to the -3 joules per second.
所以,请记住1毫瓦,和1乘以10的-3次方焦耳每秒,的说法是等同的。
However, if you climb a mountain 5,000 feet and you do that, then the work you have to do is a million joules.
然而如果你爬山,5000英尺的山,你爬上去,那你做的功是一百万焦耳。
Then the average power that you have done, that you have generated, is 35,000 joules divided by 36,000 seconds.
那么你做功产生的,平均功率,是35000焦耳除以36000秒。
And that kinetic energy of rotation is, then, a whopping 200 million joules in each of those rotating flywheels.
旋转动能是,2亿焦耳,每个飞轮都是。
Remember that the world consumption Six billion people on earth consume about four times ten to the 20th joules every year.
想想地球的消耗,60亿地球人每年,消耗4乘以10的20次方焦耳。
So if you're not in this 77%, let's quickly go over why, in fact, this is the correct answer,. 9 times 10 to the negative 18 joules.
如果你们不在这77%中,让我们快速的来看一看为什么,这个是正确答案,0,9乘以10的负18次方焦耳。
A unit of energy, especially electrical energy, equal to the work done by one watt acting for one hour and equivalent to 3, '00 joules.
能量单位,尤指电能,等于一瓦特一小时所做的功,相当于3,'00焦耳。
Also to point out, a lot of times you'll see electron volts instead of joules, this is the conversion factor here just so you all have it in your notes.
同样也要指出,很多情况下你会看到,电子伏特而不是焦耳,这里是换算因子,你们在讲义上都能找到。
We have water, and so you'll find that Q then becomes roughly 5,000 kilocalories that's how much heat energy it takes which is two times ten to the seven joules.
我们有水,你会发现,那么Q就变成约5000千卡,那是需要的热量,是2乘以10的7次方焦耳。
And he measures the increase in temperature, and he knows how the calorie was defined, and so he found that one calorie is approximately 4.2 now it's called joules.
他测量了上升的温度,就知道了卡路里的定义,得出一卡路里,约等于4。2焦耳。
So hopefully if some of you have your calculators with you, you can confirm the answer that I got, which is that the energy is 7.82 times 10 to the -19 joules.
所以如果你们带了计算器,希望你们也能确认一下,我们算出的答案,能量等于,7,82乘以10的- 19次方焦耳。
This element displays input and output in volts, watts, amps, and energy storage level in joules. Combine with 9669 Energy Storage to from the LEGO Energy Meter.
这个设备能够以伏特,瓦等显示输出和输入,以及以焦耳来显示能量存储级。
The two new names, ergs and joules, are very convenient abbreviations, because they are the units most commonly used to express energy in scientific work all over the world.
尔格和焦耳这两个新名称是很方便的缩写,因为他们是在全世界的科技工作中最常用来表示能量的两个单位。
The two new names, ergs and joules, are very convenient abbreviations, because they are the units most commonly used to express energy in scientific work all over the world.
尔格和焦耳这两个新名称是很方便的缩写,因为他们是在全世界的科技工作中最常用来表示能量的两个单位。
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