A newly discovered gas has a density of 2.39 g/L at 23.0°C and 715 mm Hg.What is the molar mass of the gas?

A newly discovered gas has a density of 2.39 g/L at 23.0°C and 715 mm Hg.What is the molar mass of the gas? The television is a ---- MACHINEA newly -inventingB newly-inventedC newly-inventD newly-invention 英语翻译Imagine that a newly discovered,recessively inherited disease is expressed only in individuals with type O blood,although the disease and blood group are independently inherited.A normal man with type A blood and a normal woman with type 翻译This paper aims at discussing the properties of the newly discovered material The newly found teeth are twice as old as discovered remains before翻译一下 “Life is just a field of newly The __ garden looks very beautiful .A newly build B new build C newly built D newly building Vocabulary Test1.Many teachers often _______ newly learnt words to their students.A.dictate B.memorize C.remember D.underlie2.Although Columbus discovered America,he did not _______ the new continent.A.expose B.explore C.exploit D.explode3.We have __ 英语单选题,He managed to prevent himself ___.A.discovering B.discovered C.being discovered D.having discovered Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因 When the dolpin ( ) by sea ,it ( ) A discovered had killed B was discovered had been killedC discovered had been killed D was discovered had killed 为什么? A newly completed research centre可以组成的句子 Recently.the scientists___in Xinjiang.A.discovered B.ciscover C.have discoverde D.has discovered 英语翻译RF Wireless Optical Mouse ser Manual Welcome Thank you for selecting this product!wireless optical mouse uses a newly developed RF wireless technology 2.4G that replaces the traditional wired mouse.You can use your wireless optical mouse 为什么不选D?7.Across the river _ _B__.A.lies a new built B.lies a newly-built bridgeC.a newly –built bridge lies D.a newly-built bridge lies 英语选择并讲一下It was marie curie who __redium and __ X-ray machines.A.invented,discovered B.discovered,invetedC.founded,invented D.discovered,found [D97] There were many talented actors out there just waiting_____.A.to discover B.to be discovered C.discovered D.being discovered翻译并分析 Gold ( )in California in nineteenth centry.A.was discovered B.has been discovered C was discover D.was to be discovered